Here is the full TSC list of all secondary school administrators in Machakos county. TSC classifies the following tutors/ teachers as administrators are: school heads, principals, their deputies, senior teachers and masters.
| NAME OF TEACHER | DESIGNATION | SCHOOL NAME | REGION | COUNTY | SUB COUNTY |
| Mr Barine, Adonican Mbae | Principal | Kangundo High School. | Eastern | Machakos | Kangundo |
| Ms Mugambi, Lucy Kanyua | Principal | Machakos Teachers’ Training College | Eastern | Machakos | Machakos Town |
| Mr Mwangi, Isaac Karanja | Principal | Machakos Teachers’ Training College | Eastern | Machakos | Machakos Town |
| Mr Kisangi, Peter Nzioka | Principal | Mumbuni Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mr Indimuli, Alfred Kahi | Principal | Machakos Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mutisya, Virginia Kalondu | Deputy Principal | Kathukini Secondary School | Eastern | Machakos | Masinga |
| Mr Kiilu, Jonathan Kimanthi | Deputy Principal | Ielanthi Secondary School | Eastern | Machakos | Masinga |
| Mr Mutuku, James Kyalo | Deputy Principal | Mutwamwaki Secondary School | Eastern | Machakos | Masinga |
| Mr Wachira, Charles Mukuni | Deputy Principal | Murifarm Secondary School | Eastern | Machakos | Masinga |
| Mr Kangethe, Martin Kioko | Deputy Principal | Kyeeteni Secondary School | Eastern | Machakos | Masinga |
| Mr Wambugu, Pachomius | Deputy Principal | St. Stephen Musumaa Secondary School | Eastern | Machakos | Masinga |
| Mr Kithuka, Boniface Mwengi | Deputy Principal | Muthesya Secondary school | Eastern | Machakos | Masinga |
| Mr Gakuya, Daniel Mugo | Deputy Principal | Ndalani Secondary School | Eastern | Machakos | Yatta |
| Miss Mwilu, Josephine Ndululu | Deputy Principal | Makivenzi Girls Secondary School | Eastern | Machakos | Yatta |
| Mr Gitonga, Bernard | Deputy Principal | St. Stephen Kilango Secondary School | Eastern | Machakos | Yatta |
| Mr Mbyuka, Pagiel Kilonzo | Deputy Principal | Ting’ang’a Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Ndungu, Joseph Kamau | Deputy Principal | Kikuyuni Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Wewa, Philip Wambua | Deputy Principal | Kwamwatu Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutua, Josphine C. Kamene | Deputy Principal | Mwambathaana Secondary School | Eastern | Machakos | Yatta |
| Mr Kimilu, Geoffrey Mutinda | Deputy Principal | Malatani Secondary School | Eastern | Machakos | Yatta |
| Mrs Njagi, Anne Chepngeno | Deputy Principal | R.G.C. Emmanuel High School – Muusini | Eastern | Machakos | Yatta |
| Mr Gachuki, David Kiragu | Deputy Principal | Kwakoko Secondary School | Eastern | Machakos | Yatta |
| Mr Kingoo, Henry Mutuku | Deputy Principal | Manyatta Secondary School | Eastern | Machakos | Kangundo |
| Mrs Maingi, Dorothy Tende | Deputy Principal | St. Mary’s Mukunike Secondary School | Eastern | Machakos | Kangundo |
| Mr Njiru, Christopher Mwaniki | Deputy Principal | Kyevaluki Secondary School | Eastern | Machakos | Kangundo |
| Mrs Mbevo, Dorcas Mukulu | Deputy Principal | St. Francis Of Assiss Kwatombe Mixed D S | Eastern | Machakos | Kangundo |
| Mr Muia, David Kioko | Deputy Principal | Miu A.B.C. Kiamba Secondary School | Eastern | Machakos | Kangundo |
| Mrs Mbaluka, Loko Jane | Deputy Principal | A.I.C Matithini Mixed Secondary School | Eastern | Machakos | Kangundo |
| Mr Kariuki, David Macharia | Deputy Principal | A.I.C Matithini Mixed Secondary School | Eastern | Machakos | Kangundo |
| Miss Muema, Agnes Kamene | Deputy Principal | Kinyui Girls High School | Eastern | Machakos | Matungulu |
| Mr Murungi, Simon Mwenda | Deputy Principal | Katwanyaa Secondary School | Eastern | Machakos | Matungulu |
| Ms Ithiga, Esther Wambui | Deputy Principal | Kikaatini Secondary School | Eastern | Machakos | Matungulu |
| Mrs Kilonzo, Robertina Nyiva Mutiso | Deputy Principal | A.I.C. Mwatati Secondary School | Eastern | Machakos | Matungulu |
| Mrs Kitavi, Jacquiline Mbatha | Deputy Principal | Kimanza Mixed Day Secondary School | Eastern | Machakos | Matungulu |
| Mr Kithuma, Eric Mutongoi | Deputy Principal | General Mulinge High School | Eastern | Machakos | Kathiani |
| Mrs Mwai, Irene Waguama | Deputy Principal | King’ong’oi Secondary School | Eastern | Machakos | Kathiani |
| Mrs Njagi, Dorothy Kagendo | Deputy Principal | Ndovoini Secondary School | Eastern | Machakos | Mavoko |
| Mrs Mua, Mary Munyiva | Deputy Principal | Mua Hills Secondary School | Eastern | Machakos | Machakos Town |
| Mr Maweu, Nicholas Mbithi | Deputy Principal | Ngelani Agric. High School | Eastern | Machakos | Machakos Town |
| Miss Adamba, Lydia Alivitsa | Deputy Principal | Kyanguli Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kimani, Francis Nganga | Deputy Principal | Kitonyini Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kitavi, Elijah Mutisya | Deputy Principal | Mang’auni Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Musau, Maryagnes Nyakarindi | Deputy Principal | Kyanda Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kioko, Jones Mulei | Deputy Principal | Kyandili Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Kioko, Veronica Mwikali | Deputy Principal | Mumbuni Girls Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Ouko, Adelaide Chiteri | Deputy Principal | Upper Kitanga Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Maingi, Emily Kalungali | Deputy Principal | Kimutwa Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mate, Julius Khamati | Deputy Principal | Katelembu Centre For Excellence Boys H S | Eastern | Machakos | Machakos Town |
| Mrs Muindi, Dorcas Kavithe | Deputy Principal | Kyeni Baptist Day Secondary School | Eastern | Machakos | Machakos Town |
| Miss Malulu, Janet Kanini | Deputy Principal | Kyaani Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munyao, Justus Kingoo | Deputy Principal | Mulaani Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Edward, Juliana Nthenya | Deputy Principal | Metuma Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kavwanga, Benjamin Kioko | Deputy Principal | Miu Boys Secondary School | Eastern | Machakos | Mwala |
| Mrs Nzioka, Peninnah Kalee | Deputy Principal | Vyulya Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Kariuki, Gerald Kinyanjui | Deputy Principal | Kwandoo Secondary School | Eastern | Machakos | Mwala |
| Mr Mutune, Bernard Muendo | Deputy Principal | Kabaa High School | Eastern | Machakos | Mwala |
| Mr Ndangili, Mutuku Geoffrey | Deputy Principal | Kikelenzu Secondary School | Eastern | Machakos | Mwala |
| Mr Makumi, Charles Maundu Patrick | Deputy Principal | Kilala Secondary School | Eastern | Machakos | Mwala |
| Mr Wathinja, Nahashon Kimwaki | Deputy Principal | Kimuuni Secondary School | Eastern | Machakos | Mwala |
| Mr Muindi, Michael Kingoo | Deputy Principal | Kimuuni Secondary School | Eastern | Machakos | Mwala |
| Mr Muema, Henry Kiswii | Deputy Principal | Mwaasua Secondary School | Eastern | Machakos | Mwala |
| Mr Ndungu, George Wanyoike | Deputy Principal | Kitile Secondary School | Eastern | Machakos | Mwala |
| Mrs Wanja, Elizabeth Lucy | Deputy Principal | St. Augustine Mumbuni Day Sec Sch | Eastern | Machakos | Mwala |
| Mr Mende, David Sila | Deputy Principal | Masinga Boys Secondary School | Eastern | Machakos | Masinga |
| Mrs Musyula, Immaculate Mumbua | Deputy Principal | Masinga Boys Secondary School | Eastern | Machakos | Masinga |
| Mrs Mutinda, Lilian Katunge | Deputy Principal | St. Josephine Bhakita Masinga Girls High | Eastern | Machakos | Masinga |
| Ms Mbogo, Sophia Rwamba | Deputy Principal | Thatha Secondary School | Eastern | Machakos | Masinga |
| Mrs Mwikya, Margaret Ndila | Deputy Principal | Ekalakala Secondary School | Eastern | Machakos | Masinga |
| Mr Katiku, Samuel Musau | Deputy Principal | Kivaa Secondary School | Eastern | Machakos | Masinga |
| Mr Masika, Freterick Nthenge | Deputy Principal | Mananja Secondary School | Eastern | Machakos | Masinga |
| Mrs Mbindah, Ruth Mumo | Deputy Principal | Ikaatini Secondary School | Eastern | Machakos | Masinga |
| Mrs Peter, Ann Kaumo | Deputy Principal | Kitangani Secondary School | Eastern | Machakos | Masinga |
| Mr Muli, Raphael Mutinda | Deputy Principal | Kithyoko Secondary School | Eastern | Machakos | Masinga |
| Mrs Kitua, Scholastica Tabitha | Deputy Principal | Kithyoko Secondary School | Eastern | Machakos | Masinga |
| Miss Kimeu, Esther Nthenya | Deputy Principal | Milaani Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Kioko, Moses Musyoka | Deputy Principal | Kaseve Secondary School | Eastern | Machakos | Masinga |
| Mr Masila, John Mbuvi | Deputy Principal | St. Peter Musingini Secondary School | Eastern | Machakos | Masinga |
| Mr Muthui, Benjamin Nzioki | Deputy Principal | Kikumini Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Mbithi, Timothy Musembi | Deputy Principal | Iiani Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mrs Mburu, Nancy Wanjiru | Deputy Principal | Mathauta Mixed Secondary School | Eastern | Machakos | Masinga |
| Mrs Kavii, Bentetta Mwikali | Deputy Principal | Kwawanzilu Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Mwangangi, John Wambua | Deputy Principal | St. John’s Secondary School – Iani | Eastern | Machakos | Masinga |
| Mr Kyale, Anthony Wambua | Deputy Principal | Kathukini Secondary School | Eastern | Machakos | Masinga |
| Mr Muia, Peter Makali | Deputy Principal | Kasuvilo Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Makau, John Muasya | Deputy Principal | Kaewa Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Munguti, Peter Muthini | Deputy Principal | Wamboo Secondary School | Eastern | Machakos | Masinga |
| Mr Gakami, Christopher Miingi | Deputy Principal | Eendei Secondary School | Eastern | Machakos | Masinga |
| Mrs Maina, Charity Murugi | Deputy Principal | Tana Bridge Seecondary School | Eastern | Machakos | Masinga |
| Mr Munyao, Joseph Mbondo | Deputy Principal | Kathini Secondary School | Eastern | Machakos | Masinga |
| Ms Musyimi, Grace Nthenya | Deputy Principal | Mukusu Mixed Day Scondary School | Eastern | Machakos | Masinga |
| Mr Mutisya, Ancent Mutiso | Deputy Principal | Kakuku Secondary School | Eastern | Machakos | Masinga |
| Mr Katiku, Maurice Nzau | Deputy Principal | Mikuyuni Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Nzalu, Richard Mutuku | Deputy Principal | Kamunyu Secondary School | Eastern | Machakos | Masinga |
| Mr Mwaluko, Joseph Kiviu | Deputy Principal | Kyondoni Secondary School | Eastern | Machakos | Masinga |
| Mr Mutunga, John Muthini | Deputy Principal | Kikule Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Wambua, Moses Muindi | Deputy Principal | Isyukoni Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Munyao, Boniface Wambua | Deputy Principal | Kathui Secondary School | Eastern | Machakos | Masinga |
| Mr Mweu, George Kioko | Deputy Principal | Iuuma Secondary School | Eastern | Machakos | Masinga |
| Mr Mbithi, Kakie Thomas | Deputy Principal | Kangonde Secondary School | Eastern | Machakos | Masinga |
| Mr Mutiso, Thomas Kimeu | Deputy Principal | Kituneni Secondary School | Eastern | Machakos | Masinga |
| Mrs Muthiani, Sterrah Nthambi | Deputy Principal | Kiseuni Secondary School | Eastern | Machakos | Masinga |
| Mrs Kalimbi, Beatrice Muthoni | Deputy Principal | Kithoni Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Kioko, Kennedy Musyoki | Deputy Principal | St. Stephen Musumaa Secondary School | Eastern | Machakos | Masinga |
| Miss Mutie, Christine Mukonyo | Deputy Principal | Masaku Secondary School | Eastern | Machakos | Masinga |
| Mr Muia, George Maundu | Deputy Principal | Muthembwa Mixed Secondary School | Eastern | Machakos | Masinga |
| Mrs Mutuku, Faith Makaa | Deputy Principal | Matuu H.G.M. High School | Eastern | Machakos | Yatta |
| Mr Kitusa, Samuel Masumba | Deputy Principal | Mavoloni Secondary School | Eastern | Machakos | Yatta |
| Mrs Maithya, Lilian Mbula | Deputy Principal | Kyasioni Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutava, Teresah Mbithe | Deputy Principal | Kyua Secondary School | Eastern | Machakos | Yatta |
| Mr Maweuh, Reuben Nthwao | Deputy Principal | Maiuni Secondary School | Eastern | Machakos | Yatta |
| Mrs Mulwa, Jacinta Wanza | Deputy Principal | Ikombe Secondary School | Eastern | Machakos | Yatta |
| Mr James, Andrew Musyoka | Deputy Principal | Kitheuni Secondary School | Eastern | Machakos | Yatta |
| Mrs Wambua, Florence Mutindi | Deputy Principal | Kithimani H.G.M. Secondary School | Eastern | Machakos | Yatta |
| Mr Kimotho, Morris Muia | Deputy Principal | St. Philips Matangini Secondary School | Eastern | Machakos | Yatta |
| Mrs Ndolo, Lilian Mwende | Deputy Principal | Kivandini Secondary School | Eastern | Machakos | Yatta |
| Mrs King’ata, Pauline Kavindu | Deputy Principal | Kithendu Secondary School | Eastern | Machakos | Yatta |
| Mr Mulei, Jeremiah Kyalo | Deputy Principal | Mathingau Secondary School | Eastern | Machakos | Yatta |
| Mr Njagi, Obed Njue | Deputy Principal | Kalukuni Secondary School | Eastern | Machakos | Yatta |
| Miss Wangari, Elizabeth Ruguru | Deputy Principal | St. Stephen Kilango Secondary School | Eastern | Machakos | Yatta |
| Mr Mutua, Fredrick Mwania | Deputy Principal | Kiwanza Secondary School | Eastern | Machakos | Yatta |
| Mrs Murungi, Jacinta Kaari | Deputy Principal | Bishop Paul Mutua Sec Sch-Kinyataa | Eastern | Machakos | Yatta |
| Mr Kanyugi, Josiah Waithaka | Deputy Principal | St. Mary’s Yatta Secondary School | Eastern | Machakos | Yatta |
| Mr Munguti, Bernard Nduva | Deputy Principal | St. Mary’s Yatta Secondary School | Eastern | Machakos | Yatta |
| Mrs Mataka, Teresiah Mbithe | Deputy Principal | Mekilingi Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mrs Mualuko, Rosephina Mbete | Deputy Principal | Kaumoni Secondary School | Eastern | Machakos | Yatta |
| Mr Mutisya, Daniel Mwali | Deputy Principal | Kikesa Secondary School | Eastern | Machakos | Yatta |
| Mr Nzemei, Christopher Muindi | Deputy Principal | Kaluluini Secondary School | Eastern | Machakos | Yatta |
| Mr Kimeu, Benjamin Kyalo | Deputy Principal | Kambi Ya Ndeke Secondary School | Eastern | Machakos | Yatta |
| Mr Mbau, Nicholas Mutunga | Deputy Principal | Kavingo Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Kiamba, Peter Mutunga | Deputy Principal | Kaliani Mixed Secondary School | Eastern | Machakos | Yatta |
| Mr Katitu, Simon Kinyumu | Deputy Principal | Good Hope High School Kilaatu | Eastern | Machakos | Yatta |
| Mr Muasa, Julius Muli | Deputy Principal | Mukalala Secondary School | Eastern | Machakos | Yatta |
| Mr Mbithi, John Mumo | Deputy Principal | Kinaka Secondary School | Eastern | Machakos | Yatta |
| Mrs Muviku, Damiana Nduku | Deputy Principal | St. Martin Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Kituku, Alphonse Kioko | Deputy Principal | St. Charles Uvouni Secondary School | Eastern | Machakos | Yatta |
| Mr Njuguna, Peter Kiarie | Deputy Principal | St. James Ilumanthi Secondary School | Eastern | Machakos | Yatta |
| Mrs Kyalo, Rhoda Mutindi | Deputy Principal | Kwakitema Secondary School | Eastern | Machakos | Yatta |
| Mr Ndiku, Titus Maundu | Deputy Principal | Iviani Secondary School | Eastern | Machakos | Yatta |
| Miss Ndolo, Elizabeth Nzilani | Deputy Principal | St. Austin Matuu Secondary School | Eastern | Machakos | Yatta |
| Mr Munywoki, Michael Ndolo | Deputy Principal | Kionyweni Secondary School | Eastern | Machakos | Yatta |
| Mr Mutuku, Martin Sikuku | Deputy Principal | Kwakulu Secondary School | Eastern | Machakos | Yatta |
| Mrs Kioko, Mary Nzisa | Deputy Principal | St. Peters High School – Ithekethini | Eastern | Machakos | Yatta |
| Mr Kamunzyu, Dennis Mutwii | Deputy Principal | Kithito Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Miss Mengo, Margaret Syombua | Deputy Principal | St. Peter Mbembani Mixed Day Sec Sch | Eastern | Machakos | Yatta |
| Mrs Muoki, Jennifer Guyatu | Deputy Principal | Dr. Charles Mulli Sec Sch – Inyaanzani | Eastern | Machakos | Yatta |
| Mr Mutungi, Julius Kisila | Deputy Principal | Magweti Secondary School | Eastern | Machakos | Yatta |
| Mrs Nthei, Elizabeth Mbithe | Deputy Principal | St. Francis Misyani Girls High School | Eastern | Machakos | Kangundo |
| Mr Kavavu, Robert Matheka | Deputy Principal | Kwakathule Secondary School | Eastern | Machakos | Kangundo |
| Mr Nzuki, Solomon Kathyaka | Deputy Principal | Kitwii Secondary School | Eastern | Machakos | Kangundo |
| Miss Nyaga, Damaris Marigu | Deputy Principal | Kawethei Secondary School | Eastern | Machakos | Kangundo |
| Mrs Ngonzi, Jacinta Mbula | Deputy Principal | Kakuyuni Secondary School | Eastern | Machakos | Kangundo |
| Mrs Wambua, Nelly Mwikali | Deputy Principal | Kakuyuni Secondary School | Eastern | Machakos | Kangundo |
| Mrs Kimeu, Juliette Mbithe | Deputy Principal | Imilini Secondary School | Eastern | Machakos | Kangundo |
| Mr Muthu, Shadrack Mbuvi | Deputy Principal | Kavilinguni High School | Eastern | Machakos | Kangundo |
| Mr Okech, Habakkuk Wafula | Deputy Principal | Kawauni Secondary School | Eastern | Machakos | Kangundo |
| Mrs Nzomo, Annah Mutuli | Deputy Principal | Kamanzi Secondary School | Eastern | Machakos | Kangundo |
| Mutisya, Jane Nduku | Deputy Principal | A.I.C. Muisuni Secondary School | Eastern | Machakos | Kangundo |
| Mr Matilu, Titus Musembi | Deputy Principal | Mbusyani Mixed Day Secondary School | Eastern | Machakos | Kangundo |
| Mr Lole, Antony Mutiso | Deputy Principal | A.B.C. Kathithyamaa Secondary School | Eastern | Machakos | Kangundo |
| Miss Mulaimu, Rosaline Koki | Deputy Principal | A.I.C. Matetani Mixed Day Secondary Scho | Eastern | Machakos | Kangundo |
| Mr Muthusi, Joseph Mutuku | Deputy Principal | St. Michael Unyuani Secondary School | Eastern | Machakos | Kangundo |
| Mrs Mwinzi, Pauline Muthini | Deputy Principal | Kathaana D.E.B Secondary School | Eastern | Machakos | Kangundo |
| Mr Muoka, Francis Kyalo | Deputy Principal | Katheini Secondary School | Eastern | Machakos | Kangundo |
| Mrs Muia, Beatrice Mbula | Deputy Principal | A.I.C Kikambuani Mixed Secondary School | Eastern | Machakos | Kangundo |
| Mr Mulwa, Johnstone Makau | Deputy Principal | Mukuyuni S.A Secondary School | Eastern | Machakos | Kangundo |
| Mrs Munyasya, Philomena Ndungwa | Deputy Principal | Matungulu Girls Secondary School | Eastern | Machakos | Matungulu |
| Mrs Muoka, Jane Katumbi | Deputy Principal | Matungulu Girls Secondary School | Eastern | Machakos | Matungulu |
| Mr Katungwa, James Kioko | Deputy Principal | Tala High School | Eastern | Machakos | Matungulu |
| Mrs Kithome, Grace Wayua | Deputy Principal | Fr. Heeran High School | Eastern | Machakos | Matungulu |
| Mr Mutisya, Isaac Kinovi | Deputy Principal | St. Joseph Katheka Secondary School | Eastern | Machakos | Matungulu |
| Mr Wambua, Bernard Masaku | Deputy Principal | Kalandini Secondary School | Eastern | Machakos | Matungulu |
| Mr Matheka, John Musau | Deputy Principal | Syanthi Secondary School | Eastern | Machakos | Matungulu |
| Mr Mutie, Peter Mutinda | Deputy Principal | Syanthi Secondary School | Eastern | Machakos | Matungulu |
| Mrs Kyalo, Phillis Wanza | Deputy Principal | Itheuni Secondary School | Eastern | Machakos | Matungulu |
| Mr Mathii, Boniface Kioko | Deputy Principal | Kithuani Secondary School | Eastern | Machakos | Matungulu |
| Mr Muia, Daniel Mulwa | Deputy Principal | Kikaatini Secondary School | Eastern | Machakos | Matungulu |
| Mrs Mutua, Janet Nduku | Deputy Principal | A.B.C. Kambusu Secondary School | Eastern | Machakos | Matungulu |
| Miss Ndambuki, Josephine Nthambi | Deputy Principal | S.A. Nguluni Mixed Day Secondary School | Eastern | Machakos | Matungulu |
| Ms Kangethe, Eunice Ngina | Deputy Principal | Matuu Wendano Secondary School | Eastern | Machakos | Matungulu |
| Mr Mati, Paul Kyule | Deputy Principal | Kimanza Mixed Day Secondary School | Eastern | Machakos | Matungulu |
| Mrs Mwaniki, Caroline Njoki | Deputy Principal | Muumoni S.A. Kiamba Secondary School | Eastern | Machakos | Matungulu |
| Mr Muoki, John Sila | Deputy Principal | Mukalwa Secondary School | Eastern | Machakos | Matungulu |
| Mr Kioko, Paul Stephen | Deputy Principal | A.C.K Mukengesya Secondary School | Eastern | Machakos | Matungulu |
| Mr Mbithi, Nzioka | Deputy Principal | Kyeleni Secondary School | Eastern | Machakos | Matungulu |
| Mr Muthee, Robert Maina | Deputy Principal | Mbuni S.A Secondary School | Eastern | Machakos | Matungulu |
| Mr Malile, Philip Muthusi | Deputy Principal | Mbuni S.A Secondary School | Eastern | Machakos | Matungulu |
| Mr Mutisya, Paul Kungulu | Deputy Principal | Matheini S.A Mixed Secondary School | Eastern | Machakos | Matungulu |
| Mr Mutua, David Mutuku | Deputy Principal | Kayatta Secondary School | Eastern | Machakos | Matungulu |
| Mr Malombe, Michael Kyusya | Deputy Principal | Kayatta Secondary School | Eastern | Machakos | Matungulu |
| Mr M’mela, Geoffrey Mukanzi | Deputy Principal | Kathiani High Secondary School | Eastern | Machakos | Kathiani |
| Ms Wathome, Regina Wangai | Deputy Principal | Kitie Secondary School | Eastern | Machakos | Kathiani |
| Mrs Ndeti, Mary Mbithe | Deputy Principal | Ngoleni Secondary School | Eastern | Machakos | Kathiani |
| Mr Matheka, Alfornce Mulwa | Deputy Principal | Ngoleni Secondary School | Eastern | Machakos | Kathiani |
| Mr Kimani, Bernard Kioko | Deputy Principal | Thinu Secondary School | Eastern | Machakos | Kathiani |
| Mr Nthiani, Jackson Munyao | Deputy Principal | Kaewa Secondary School | Eastern | Machakos | Kathiani |
| Mrs Ndolo, Rosedellina Nzula | Deputy Principal | Miumbuni Secondary School | Eastern | Machakos | Kathiani |
| Mrs Mwengei, Christine Muthikwa | Deputy Principal | Kaliluni Girls Secondary School | Eastern | Machakos | Kathiani |
| Mr Peter, Josaphat Nzuve | Deputy Principal | Kaani Lions Secondary School | Eastern | Machakos | Kathiani |
| Mr Nzioka, James Muia | Deputy Principal | Kituvu Secondary School | Eastern | Machakos | Kathiani |
| Mrs Masiro, Anne Atieno | Deputy Principal | Kituvu Secondary School | Eastern | Machakos | Kathiani |
| Mr Nthenge, John Nzioka | Deputy Principal | Mbee Secondary School | Eastern | Machakos | Kathiani |
| Mr Gichobi, Jackson Magondu | Deputy Principal | Kalikya Mixed Day Secondary School | Eastern | Machakos | Kathiani |
| Miss Nthenge, Rose Mutave | Deputy Principal | Kaiani Mixed Day Secondary School | Eastern | Machakos | Kathiani |
| Mr Mutiso, Daniel Muindi | Deputy Principal | St. Vincent Imilini Day Secondary School | Eastern | Machakos | Kathiani |
| Mrs Mainga, Rodah Kasiva | Deputy Principal | Rev. Kitonyi Memorial High School | Eastern | Machakos | Kathiani |
| Mr Ndambuki, James Mutinda | Deputy Principal | Nthunguni Secondary School | Eastern | Machakos | Kathiani |
| Mr Mutiso, Christopher Kasango | Deputy Principal | Kauti Secondary School | Eastern | Machakos | Kathiani |
| Mr Musyoki, John Mutiso | Deputy Principal | Ikoleni Secondary School | Eastern | Machakos | Kathiani |
| Mr Mbithi, Thomas Musyoki | Deputy Principal | King’ong’oi Secondary School | Eastern | Machakos | Kathiani |
| Mr Mutuku, Musembi Kavoi | Deputy Principal | Lumbwa Secondary School | Eastern | Machakos | Kathiani |
| Mrs Mboya, Elizabeth Amakobe | Deputy Principal | Kathuni Secondary School | Eastern | Machakos | Kathiani |
| Mr Indakwa, George Alfred | Deputy Principal | Mavoko Secondary School | Eastern | Machakos | Mavoko |
| Mr Kitua, Samuel Mutunga | Deputy Principal | Muthwani Secondary School | Eastern | Machakos | Mavoko |
| Ms Kununga, Tabitha Mbula | Deputy Principal | St. Augustine Mlolongo Secondary School | Eastern | Machakos | Mavoko |
| Mrs Kinyungu, Irene Nthenya | Deputy Principal | St. Augustine Mlolongo Secondary School | Eastern | Machakos | Mavoko |
| Mr Muimi, Rockfeller | Deputy Principal | Athi River Secondary School | Eastern | Machakos | Mavoko |
| Ms Odago, Peninah Atieno | Deputy Principal | Lukenya Girls Centre Of Excellence | Eastern | Machakos | Mavoko |
| Mr Mulinge, Julius Ngayai | Deputy Principal | Kinanie Mixed Secondary School | Eastern | Machakos | Mavoko |
| Mr Kakia, Robert Mwaki | Deputy Principal | Katani D.E.B. Mixed Secondary School | Eastern | Machakos | Mavoko |
| Mrs Mutiso, Christine Mueni | Deputy Principal | Kanaani Secondary School | Eastern | Machakos | Mavoko |
| Mrs Ndambuki, Esther Wanyua | Deputy Principal | Kwa Kalusya Secondary School | Eastern | Machakos | Mavoko |
| Mr Otwoma, Vincent Ateru | Deputy Principal | Empakasi Secondary School | Eastern | Machakos | Mavoko |
| Mr Mutisya, Thomas Kyalo | Deputy Principal | Mumbuni Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mulegi, Winters Kiverenge | Deputy Principal | Mumbuni Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ngao, Fredrick Muia | Deputy Principal | Mumbuni Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mr Musela, Benjamin Matheka | Deputy Principal | Machakos Boys Secondary School | Eastern | Machakos | Machakos Town |
| Mr Njagi, Fabiano Mureithi | Deputy Principal | Ngelani Agric. High School | Eastern | Machakos | Machakos Town |
| Mrs Wambua, Faith Linda Muya | Deputy Principal | Katoloni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mulove, Philip Mbithi | Deputy Principal | Kyangala Secondary School | Eastern | Machakos | Machakos Town |
| Mr Wambua, Larry Nzioki | Deputy Principal | Kyangala Secondary School | Eastern | Machakos | Machakos Town |
| Mr Rangili, Norline Onyango | Deputy Principal | Muvuti High School | Eastern | Machakos | Machakos Town |
| Mrs Kivindyo, Anne Kavuu | Deputy Principal | Muvuti High School | Eastern | Machakos | Machakos Town |
| Mrs Maitha, Juliana Ndunge | Deputy Principal | Kwanthanze Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muyanga, Andrew Musau | Deputy Principal | Kitonyini Secondary School | Eastern | Machakos | Machakos Town |
| Miss Munanie, Susan | Deputy Principal | Kyambuko Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Kyalo, Sarah Wanjira | Deputy Principal | A.B.C Iveti Hills Secondary School | Eastern | Machakos | Machakos Town |
| Mr Maranga, Jared Nyagaka | Deputy Principal | Muindi Mbingu Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muisyo, Peter | Deputy Principal | Mang’auni Secondary School | Eastern | Machakos | Machakos Town |
| Miss Kimeu, Stellah Nndunge | Deputy Principal | Mbukuni Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Masyuki, Lucia Syekonyo | Deputy Principal | A.I.C. Nyayo Girls Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Kitungi, Vicky Mueni | Deputy Principal | Katanga Secondary School | Eastern | Machakos | Machakos Town |
| Miss Mwiva, Florence Alima | Deputy Principal | Katanga Secondary School | Eastern | Machakos | Machakos Town |
| Miss Mukiri, Beatrice M’arere | Deputy Principal | Kalama Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kiome, Andrew Makuura | Deputy Principal | Muumandu Secondary School | Eastern | Machakos | Machakos Town |
| Mr Nzola, Julius Mwanzia | Deputy Principal | Iiyuni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Wambua, Joseph Kivati | Deputy Principal | Miwani Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Eunice, Kanee Mutuku | Deputy Principal | Mua Farm Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mulwa, Justus Nzomo | Deputy Principal | Kikumbo Mixed Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munguti, Jackson Musyoka | Deputy Principal | A.B.C. Kanyongo Secondary School | Eastern | Machakos | Machakos Town |
| Mr Maweu, Felix Muia | Deputy Principal | Kamweleni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Maingi, Peter Mbai | Deputy Principal | Kiseveni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Ms Kakui, Josephine Wavinya | Deputy Principal | Machakos Baptist Presbiterian Mixed Day | Eastern | Machakos | Machakos Town |
| Mr Mumo, Lazarus Nzeki | Deputy Principal | Kiuu Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mbuvi, Bernard Mutua | Deputy Principal | Konza A.B.C. Secondary School – Machakos | Eastern | Machakos | Machakos Town |
| Mr Kilonzo, Samuel Mwanzia | Deputy Principal | Kamuthanga Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Musyoki, Susan Kathure | Deputy Principal | Masaani Girls Day Secondary School | Eastern | Machakos | Machakos Town |
| Miss Musyoki, Aquillinah Kalunde | Deputy Principal | Kimutwa Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mutune, Simon Wambua | Deputy Principal | Kimutwa Secondary School | Eastern | Machakos | Machakos Town |
| Mrs James, Faustina Ndinda | Deputy Principal | Kiteini Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kingoo, Nathan Muthiani | Deputy Principal | Keaa ABC Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Masaku, Margaret Mwethya | Deputy Principal | Kinoi Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munyao, Nicholas Ngunzi | Deputy Principal | Katelembu Centre For Excellence Boys H S | Eastern | Machakos | Machakos Town |
| Mr Kisaingu, Ancent Sila | Deputy Principal | Mung’ala Secondary School – Machakos | Eastern | Machakos | Machakos Town |
| Mr Matia, Charles Muthiani | Deputy Principal | Baraka S.A.Kavyuni Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Munyeti, Joyce Ndinda | Deputy Principal | Mulaani Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ndolo, Mathew Mumo | Deputy Principal | Mulaani Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Nthumo, Agnes Ndunge | Deputy Principal | Kithima A.B.C. Secondary School | Eastern | Machakos | Machakos Town |
| Mr Makini, Julius Ndemo | Deputy Principal | Kivandini Secondary School | Eastern | Machakos | Machakos Town |
| Miss Nthanga, Harriet Mumbua | Deputy Principal | Kyanzasu Secondary School | Eastern | Machakos | Machakos Town |
| Mr Nduhiu, Daniel Ndegwa | Deputy Principal | Iluvya Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muema, Stephenson Nzomo | Deputy Principal | A.I.C Kiima Kimwe Secondary School | Eastern | Machakos | Machakos Town |
| Ms Mue, Winifred Musyawa | Deputy Principal | Kaseve Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mulila, Josphine Loise | Deputy Principal | Kaseve Secondary School | Eastern | Machakos | Machakos Town |
| Mr Matheka, Thomas Kioko | Deputy Principal | Kasinga Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kithome, James Kanyanya | Deputy Principal | Kyaviti Secondary School | Eastern | Machakos | Machakos Town |
| Mr Nzioka, Morris Musyoki | Deputy Principal | Mutuyu Mixed Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ngumu, Daniel Musyimi | Deputy Principal | Miwongoni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Musili, Benrodgers Mambo | Deputy Principal | Miwongoni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Ndinza, Lena Kasyoka | Deputy Principal | St. Bernard Makyua Secondary School | Eastern | Machakos | Machakos Town |
| Mr Matheka, Paul Sila | Deputy Principal | St. Bernard Makyua Secondary School | Eastern | Machakos | Machakos Town |
| Miss Mwikya, Veronicah Syombua | Deputy Principal | Makakoi Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mbithi, Charles Mutoa | Deputy Principal | A.I.C Ngelani Mixed Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Njiraini, Irene Wanjiku | Deputy Principal | Muthetheni Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Kibe, Antony Njoroge | Deputy Principal | Mwala Mixed Secondary School | Eastern | Machakos | Mwala |
| Mrs Kithinji, Kellen Karimi | Deputy Principal | Kyethivo Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Nzioka, Raphael Kasole | Deputy Principal | Kyethivo Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Kieti, Muli | Deputy Principal | St. James Etikoni Secondary School | Eastern | Machakos | Mwala |
| Mr Mumina, Anthony Mbevi | Deputy Principal | Mbaikini Secondary School | Eastern | Machakos | Mwala |
| Mrs Muthuka, Eunice Kathina | Deputy Principal | Mbaikini Secondary School | Eastern | Machakos | Mwala |
| Mr Matheka, Alex Mwaka | Deputy Principal | Kithangaini Secondary School | Eastern | Machakos | Mwala |
| Mrs Musyoki, Priscilla Kutuku Nduku | Deputy Principal | St. Teresa Mwala Girls High School | Eastern | Machakos | Mwala |
| Mr Kithuka, Benson Sila | Deputy Principal | Mango Secondary School | Eastern | Machakos | Mwala |
| Mrs Munyao, Madris Ngithi | Deputy Principal | Mbiuni Secondary School | Eastern | Machakos | Mwala |
| Mr Mwau, Jeremiah Nzyoka | Deputy Principal | Kibauni Secondary School | Eastern | Machakos | Mwala |
| Mrs Mwikuyu, Elizabeth Muoti | Deputy Principal | Kibauni Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutisya, Irene Katunge | Deputy Principal | Bishop Ndingi High School | Eastern | Machakos | Mwala |
| Mr Kivinda, Stephen Muanza | Deputy Principal | Kiundwani Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutisya, Ruth Syokau | Deputy Principal | St. George’s Katheka High School | Eastern | Machakos | Mwala |
| Mr Mbithi, John Muli | Deputy Principal | Mulu Mutisya-lema Secondary School | Eastern | Machakos | Mwala |
| Mrs Nzili, Margaret Mutei | Deputy Principal | Kilembwa Secondary School | Eastern | Machakos | Mwala |
| Mr Mulindi, John Mutune Musyoka | Deputy Principal | Kunikila A.I.C Secondary School | Eastern | Machakos | Mwala |
| Mr Mbithi, Justus Muema | Deputy Principal | Mbaani Secondary School | Eastern | Machakos | Mwala |
| Mrs Ndeti, Rose Syokau | Deputy Principal | Kavumbu A.B.C. Secondary School | Eastern | Machakos | Mwala |
| Mrs Mbella, Imelda Kasiva | Deputy Principal | A.I.C. Kwamutula Secondary School | Eastern | Machakos | Mwala |
| Mr Kaunge, John Kilonzo | Deputy Principal | Muusini S.A Secondary School | Eastern | Machakos | Mwala |
| Mrs Nzuve, Penninah Mbenge | Deputy Principal | Mithanga Secondary School | Eastern | Machakos | Mwala |
| Miss Mualuko, Pauline Mumbua | Deputy Principal | St. Stephen’s Secondary School | Eastern | Machakos | Mwala |
| Mr Munguti, Ericsson Nzomo | Deputy Principal | St. Marks Kundu Mixed Day Sec Sch | Eastern | Machakos | Mwala |
| Mr Muthwa, Daniel Kisilu | Deputy Principal | Nyaani Secondary School | Eastern | Machakos | Mwala |
| Mr Nzaumi, Pius Mutua | Deputy Principal | St. Joseph’s Kasolongo Sec. School | Eastern | Machakos | Mwala |
| Miss Nthangali, Sherinah Mbithe | Deputy Principal | Muthei Secondary School | Eastern | Machakos | Mwala |
| Mr Somba, Nicarnor Mutie | Deputy Principal | Kikaso Secondary School | Eastern | Machakos | Mwala |
| Mr Kisumba, Augustine Sangu | Deputy Principal | Embui Secondary School | Eastern | Machakos | Mwala |
| Mr Nguli, Leonard Mboya | Deputy Principal | Muthetheni Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Malingu, Solomon Muteti | Deputy Principal | Kamwala Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Ngui, David Justus | Deputy Principal | Ukalani Secondary School | Eastern | Machakos | Mwala |
| Mr Mwangi, Charles Ngari | Deputy Principal | St. Anthony Makiliva Secondary School | Eastern | Machakos | Mwala |
| Mr Muasya, Patrick Mutunga | Deputy Principal | Kyamatula Secondary School | Eastern | Machakos | Mwala |
| Mr Nyoro, Samuel Kiarie | Deputy Principal | St. Stephen Musaalani Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutua, Catherine Mumbua | Deputy Principal | Mukuyuni Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutisya, Janet Mutinda | Deputy Principal | Ngumbau Secondary School | Eastern | Machakos | Mwala |
| Mr Kimonyi, David Mutunga | Deputy Principal | Kitile Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutinda, Teresia Syokau | Principal | Thatha Secondary School | Eastern | Machakos | Masinga |
| Mr Ndunda, Paul Muinde | Principal | Ekalakala Secondary School | Eastern | Machakos | Masinga |
| Mr Mungai, Johnstone Karuci | Principal | Kivaa Secondary School | Eastern | Machakos | Masinga |
| Mr Ngewa, Benson Mutinda | Principal | Kivaa Secondary School | Eastern | Machakos | Masinga |
| Mr Githiaya, Wilson W | Principal | Mananja Secondary School | Eastern | Machakos | Masinga |
| Mrs Malonza, Joyce Mwikali | Principal | Ikaatini Secondary School | Eastern | Machakos | Masinga |
| Mr Musili, John Mutemi | Principal | Kitangani Secondary School | Eastern | Machakos | Masinga |
| Mr Munywoki, Nicholas Mutinda | Principal | Kithyoko Secondary School | Eastern | Machakos | Masinga |
| Mr Karugu, Samuel Kariuki | Principal | Ndithini Secondary School | Eastern | Machakos | Masinga |
| Mr Mutune, Julius Mutinda | Principal | Milaani Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr James, Jonathan Muema | Principal | Kaseve Secondary School | Eastern | Machakos | Masinga |
| Mrs Muthiani, Naomi Nditi | Principal | St. Peter Musingini Secondary School | Eastern | Machakos | Masinga |
| Mr Kathuku, Richard Kyengo | Principal | Nzukini Secondary School | Eastern | Machakos | Masinga |
| Mr Muthembwa, Donald Nziula | Principal | Iiani Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Mackenzie, Nathan Musyoki | Principal | Mathauta Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Wathome, Raphael | Principal | Mathauta Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Kinyutu, Kyalo | Principal | Mathauta Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Rikanya, Patrick Gituma | Principal | Kwawanzilu Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Warui, Bernard Mureithi | Principal | Ngukemwe High School | Eastern | Machakos | Masinga |
| Mr Kyule, Stephen Mutinda | Principal | Kiatineni Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Kiplagat, James | Principal | Kiatineni Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Musyoka, Felix Kingelete | Principal | St. John’s Secondary School – Iani | Eastern | Machakos | Masinga |
| Mrs Musyoka, Susan | Principal | Kathukini Secondary School | Eastern | Machakos | Masinga |
| Mr Mutunga, Stanley Mawira | Principal | Kaewa Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Mutemi, Daniel Kilonzo | Principal | Wamboo Secondary School | Eastern | Machakos | Masinga |
| Mr Kamwana, Peter Katiso | Principal | Eendei Secondary School | Eastern | Machakos | Masinga |
| Mr Njuguna, Moses Wakaba | Principal | Tana Bridge Seecondary School | Eastern | Machakos | Masinga |
| Mr Nzyoka, Boniface Mbithi | Principal | Kathini Secondary School | Eastern | Machakos | Masinga |
| Mrs Nzau, Florence Mumbua | Principal | Ielanthi Secondary School | Eastern | Machakos | Masinga |
| Mr Kimwele, Caleb Muthangya | Principal | Ielanthi Secondary School | Eastern | Machakos | Masinga |
| Mr Mwangangi, Clapperton Mutuku | Principal | Ulutya Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Mutisya, Peter Kineene | Principal | Kakuku Secondary School | Eastern | Machakos | Masinga |
| Mr Nzyoki, Patrick Maingi | Principal | Mutwamwaki Secondary School | Eastern | Machakos | Masinga |
| Mr Munguti, Joseph Muthama | Principal | Mikuyuni Mixed Secondary School | Eastern | Machakos | Masinga |
| Mrs Maingi, Florence Nduku | Principal | Kamunyu Secondary School | Eastern | Machakos | Masinga |
| Mr Muthoka, Jairus Mohammed | Principal | Kikomba Secondary School | Eastern | Machakos | Masinga |
| Mr Makasi, Peter Kioko | Principal | Kikule Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Kahiti, Robert Kamau | Principal | Kyeeteni Secondary School | Eastern | Machakos | Masinga |
| Mr Nganga, Peter Mutevu | Principal | Kathui Secondary School | Eastern | Machakos | Masinga |
| Mr Mbithi, Francis Maluki | Principal | Iuuma Secondary School | Eastern | Machakos | Masinga |
| Mr Munyoki, Josiah Willy | Principal | Kituneni Secondary School | Eastern | Machakos | Masinga |
| Mr Kamami, Johnbosco Nthiwa | Principal | Kiseuni Secondary School | Eastern | Machakos | Masinga |
| Mr Ngula, Muli Patrick | Principal | Kithoni Mixed Secondary School | Eastern | Machakos | Masinga |
| Mr Mutiso, Philip Kaviku | Principal | Kaonyweni Secondary School | Eastern | Machakos | Masinga |
| Mr Muia, Patrick Maingi | Principal | Masaku Secondary School | Eastern | Machakos | Masinga |
| Mr Mbuthia, James Maringa | Principal | Muthesya Secondary school | Eastern | Machakos | Masinga |
| Mr Ngwili, Isaack Mulwa | Principal | St. Michael Secondary School | Eastern | Machakos | Masinga |
| Mrs Mwalavu, Monica Mbinya | Principal | Muthembwa Mixed Secondary School | Eastern | Machakos | Masinga |
| Miss Gateri, Jane Wambui | Principal | Ndalani Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutua, Angelina Wanza | Principal | Matuu H.G.M. High School | Eastern | Machakos | Yatta |
| Mrs Gicuku, Emily | Principal | Mavoloni Secondary School | Eastern | Machakos | Yatta |
| Mr Kisilu, James Musau | Principal | Kyasioni Secondary School | Eastern | Machakos | Yatta |
| Miss Nzuki, Grace Nthakye | Principal | Makivenzi Girls Secondary School | Eastern | Machakos | Yatta |
| Mr Musau, Jonathan Kitavi | Principal | Kyua Secondary School | Eastern | Machakos | Yatta |
| Mr Musau, Josphat Kingoo | Principal | Maiuni Secondary School | Eastern | Machakos | Yatta |
| Mr Kiwese, Julius Mulinge | Principal | Katangi Secondary School | Eastern | Machakos | Yatta |
| Ms Kimonyi, Catherine Wavinya | Principal | Kitheuni Secondary School | Eastern | Machakos | Yatta |
| Mr Kiema, Josphat Muthui | Principal | Kithimani H.G.M. Secondary School | Eastern | Machakos | Yatta |
| Mr Nahman, Joseph Mwirigi | Principal | Kivingoni Secondary School | Eastern | Machakos | Yatta |
| Mr Mende, Francis Mutua | Principal | St. Philips Matangini Secondary School | Eastern | Machakos | Yatta |
| Mr Katiku, Justus Muthiani | Principal | Kivandini Secondary School | Eastern | Machakos | Yatta |
| Mr Muli, Kangangi | Principal | Kithendu Secondary School | Eastern | Machakos | Yatta |
| Mrs Musyoka, Bernadette Mwikali | Principal | Kithendu Secondary School | Eastern | Machakos | Yatta |
| Mr Ngenga, Festus Muli | Principal | Mathingau Secondary School | Eastern | Machakos | Yatta |
| Mr Muthengi, Peter Kyalo | Principal | Kalukuni Secondary School | Eastern | Machakos | Yatta |
| Miss Rewa, Patricia Karugi | Principal | Fr. Makewa High School | Eastern | Machakos | Yatta |
| Mr Mbuvi, Robert Kioko | Principal | St. Stephen Kilango Secondary School | Eastern | Machakos | Yatta |
| Mr Musau, Bernard Mutie | Principal | Mbembani Secondary School | Eastern | Machakos | Yatta |
| Mrs Wambua, Elizabeth Nduku | Principal | Kiwanza Secondary School | Eastern | Machakos | Yatta |
| Mr Kagwa, Francis Mbugua | Principal | Bishop Paul Mutua Sec Sch-Kinyataa | Eastern | Machakos | Yatta |
| Mrs Kiio, Florence | Principal | St. Mary’s Yatta Secondary School | Eastern | Machakos | Yatta |
| Mr Mutemi, Daudi | Principal | Mekilingi Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Susa, Joshua Tseneta | Principal | Kaumoni Secondary School | Eastern | Machakos | Yatta |
| Mr Njoka, Eston Ngungi | Principal | Kikesa Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutuku, Francisca Josephine | Principal | Kaluluini Secondary School | Eastern | Machakos | Yatta |
| Mrs Kaluku, Melick Kadogo | Principal | Kikuyuni Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Kimanzi, Joseph Masila | Principal | Kavingo Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mrs Ndemwa, Dorothy | Principal | Kaliani Mixed Secondary School | Eastern | Machakos | Yatta |
| Mr Muthini, Philip Ngoloma | Principal | Good Hope High School Kilaatu | Eastern | Machakos | Yatta |
| Miss Musee, Rosephine Lucia | Principal | Mukalala Secondary School | Eastern | Machakos | Yatta |
| Mrs Makau, Peninah Mumbe | Principal | Kinaka Secondary School | Eastern | Machakos | Yatta |
| Mr Mutua, Joseph Kimeu | Principal | St. Martin Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Ndambuki, Fredrick Mutuku | Principal | St. Charles Uvouni Secondary School | Eastern | Machakos | Yatta |
| Mrs Musyoki, Betty Kamene | Principal | Kwakitema Secondary School | Eastern | Machakos | Yatta |
| Mrs Makau, Abishag Mumbi | Principal | Kwamwatu Secondary School | Eastern | Machakos | Yatta |
| Mrs Kyalo, Miriam Kamene | Principal | St. Austin Matuu Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutia, Barnice Mueni | Principal | Kionyweni Secondary School | Eastern | Machakos | Yatta |
| Mr Mumo, Stephen Mutunga | Principal | Mwambathaana Secondary School | Eastern | Machakos | Yatta |
| Mr Ndambuki, Vincent Nzioka | Principal | St. Peters High School – Ithekethini | Eastern | Machakos | Yatta |
| Mrs Kisingu, Esther Ndunyu | Principal | Kithito Mixed Day Secondary School | Eastern | Machakos | Yatta |
| Mr Maluu, Alfornce Luke | Principal | St. Peter Mbembani Mixed Day Sec Sch | Eastern | Machakos | Yatta |
| Mrs Wambua, Rose Nyambura | Principal | Kaloleni Secondary School | Eastern | Machakos | Yatta |
| Mrs Mativo, Margaret Ngina | Principal | Malatani Secondary School | Eastern | Machakos | Yatta |
| Mrs Mutunga, Beth Kalekye | Principal | S.A Mbingoni Secondary School | Eastern | Machakos | Yatta |
| Mrs Ndambuki, Magdalene Mutindi | Principal | Magweti Secondary School | Eastern | Machakos | Yatta |
| Mr Mtawali, Philip Mangi | Principal | Manyatta Secondary School | Eastern | Machakos | Kangundo |
| Mrs Musau, Damaris Mbula | Principal | Kwakathule Secondary School | Eastern | Machakos | Kangundo |
| Mr Mbuvi, David Nzioka | Principal | St. Mary’s Mukunike Secondary School | Eastern | Machakos | Kangundo |
| Mr Nzau, Michael Ngila | Principal | Kitwii Secondary School | Eastern | Machakos | Kangundo |
| Mrs Karuri, Julia Mwathira | Principal | Kawethei Secondary School | Eastern | Machakos | Kangundo |
| Mr Kavili, Charles Nzioka | Principal | Kakuyuni Secondary School | Eastern | Machakos | Kangundo |
| Miss Kiio, Veronicah Kaluki | Principal | Imilini Secondary School | Eastern | Machakos | Kangundo |
| Mr Mwanza, Pius Musyoka | Principal | Imilini Secondary School | Eastern | Machakos | Kangundo |
| Ms Muli, Petronilah | Principal | Kavilinguni High School | Eastern | Machakos | Kangundo |
| Mr Kimeu, Fidelis Wambua | Principal | Mulingana Secondary School | Eastern | Machakos | Kangundo |
| Mr Karanu, John Mwangi | Principal | Kawauni Secondary School | Eastern | Machakos | Kangundo |
| Mr Wambua, Noel Kaula | Principal | Kamanzi Secondary School | Eastern | Machakos | Kangundo |
| Mr Kioko, Elijah Mutuku | Principal | A.I.C. Muisuni Secondary School | Eastern | Machakos | Kangundo |
| Mr Katumo, Christopher Ndavi | Principal | Mbusyani Mixed Day Secondary School | Eastern | Machakos | Kangundo |
| Mrs Musyoka, Margaret Mwikali | Principal | A.B.C. Kathithyamaa Secondary School | Eastern | Machakos | Kangundo |
| Mr Kiinga, Solomon Mutuku | Principal | A.I.C. Matetani Mixed Day Secondary Scho | Eastern | Machakos | Kangundo |
| Mr Mwania, Isaac Munyao | Principal | St. Francis Of Assiss Kwatombe Mixed D S | Eastern | Machakos | Kangundo |
| Mr Itirikia, Jackson | Principal | St. Michael Unyuani Secondary School | Eastern | Machakos | Kangundo |
| Mrs Matu, Monica Mbinya | Principal | Miu A.B.C. Kiamba Secondary School | Eastern | Machakos | Kangundo |
| Mr Nzioka, Benjamin Silla | Principal | Kathaana D.E.B Secondary School | Eastern | Machakos | Kangundo |
| Mr Kinyanjui, Charles Matheka | Principal | D.E.B Kangundo Secondary School | Eastern | Machakos | Kangundo |
| Miss Mwikali, Regina Kivai | Principal | Katheini Secondary School | Eastern | Machakos | Kangundo |
| Mr Kamina, Wilson Kyalo | Principal | Mukuyuni S.A Secondary School | Eastern | Machakos | Kangundo |
| Mr Njuguna, Samuel Gathogo | Principal | Kinyui Boys High School | Eastern | Machakos | Matungulu |
| Mr Kivuva, Edward Kitivi | Principal | Tala High School | Eastern | Machakos | Matungulu |
| Mrs Ololokula, Lady | Principal | Kinyui Girls High School | Eastern | Machakos | Matungulu |
| Ms Mbugi, Annabella Karimi | Principal | Tala Girls Secondary School | Eastern | Machakos | Matungulu |
| Mrs Francis, Damaris Mweroo | Principal | Fr. Heeran High School | Eastern | Machakos | Matungulu |
| Mr Mutiso, Danson Daniel | Principal | St. Joseph Katheka Secondary School | Eastern | Machakos | Matungulu |
| Miss Mati, Elizabeth Nduku | Principal | St. Joseph Katheka Secondary School | Eastern | Machakos | Matungulu |
| Mr Mbelenzu, Paul Musyoka | Principal | Kalandini Secondary School | Eastern | Machakos | Matungulu |
| Mr Kitavi, Joe Muinde | Principal | St. John Katulye Secondary School | Eastern | Machakos | Matungulu |
| Mr Khaemba, Kennedy Wanjala | Principal | Kisukiioni Secondary School | Eastern | Machakos | Matungulu |
| Mr Ndambuki, Titus Itumo | Principal | Syanthi Secondary School | Eastern | Machakos | Matungulu |
| Mr Mitingi, Mwendwa | Principal | Kithuani Secondary School | Eastern | Machakos | Matungulu |
| Mr Kithome, Samuel Nzai | Principal | A.B.C. Kambusu Secondary School | Eastern | Machakos | Matungulu |
| Mr Ngullu, Samson Muindi | Principal | A.I.C. Mwatati Secondary School | Eastern | Machakos | Matungulu |
| Mr Kithumbi, Athanas Matolo | Principal | A.I.C. Mwatati Secondary School | Eastern | Machakos | Matungulu |
| Miss Ndungu, Beatrice Wanjiru | Principal | S.A. Nguluni Mixed Day Secondary School | Eastern | Machakos | Matungulu |
| Mr Mutiso, Clement Muli | Principal | Kyaume Mixed Day Secondary School | Eastern | Machakos | Matungulu |
| Mrs Luvaga, Ruth Anyiso | Principal | St. Martin Kithuiani Secondary School | Eastern | Machakos | Matungulu |
| Miss Gachoki, Grace Kagio | Principal | Muumoni S.A. Kiamba Secondary School | Eastern | Machakos | Matungulu |
| Mr M’ngungu, Marcelino Nganga Nthia | Principal | St. Joseph Kikuyuni Mixed Day Sec. Sch. | Eastern | Machakos | Matungulu |
| Mr Mulelu, Paul Mulei | Principal | Kyamulendu Secondary School | Eastern | Machakos | Matungulu |
| Mrs Raphael, Victoria Ndinda | Principal | Mukalwa Secondary School | Eastern | Machakos | Matungulu |
| Miss Busolo, Christine Ougo | Principal | A.C.K Mukengesya Secondary School | Eastern | Machakos | Matungulu |
| Mrs Mutua, Elizabeth Katile | Principal | Matheini S.A Mixed Secondary School | Eastern | Machakos | Matungulu |
| Mr Wachira, Joseph Mwai | Principal | Kisukioni Pri Sch | Eastern | Machakos | Matungulu |
| Mrs Mutua, Dorris Munyaanyi | Principal | Mitaboni A.b.c Girls Seconday School | Eastern | Machakos | Kathiani |
| Mrs Mutie, Margaret | Principal | Ngoleni Secondary School | Eastern | Machakos | Kathiani |
| Mr Mwania, Stephen Mbithi | Principal | Kikombi Secondary School | Eastern | Machakos | Kathiani |
| Mr Muia, Anthony Mutunga | Principal | Kikombi Secondary School | Eastern | Machakos | Kathiani |
| Mr Kathau, Joshua | Principal | Thinu Secondary School | Eastern | Machakos | Kathiani |
| Mr Daniel, John Kyalo | Principal | Kisovo Secondary School | Eastern | Machakos | Kathiani |
| Mr Mwikya, Peter Mutuku | Principal | St. Martin Kithunguini Secondary School | Eastern | Machakos | Kathiani |
| Mr Musee, Benedict Vungo | Principal | Miumbuni Secondary School | Eastern | Machakos | Kathiani |
| Mrs Muinde, Rose Kanyivu Ngao | Principal | Kaliluni Girls Secondary School | Eastern | Machakos | Kathiani |
| Mrs Mutinda, Rebecca Muvai | Principal | Kaani Lions Secondary School | Eastern | Machakos | Kathiani |
| Mr Nthama, Felix Kyalo | Principal | General Mulinge High School | Eastern | Machakos | Kathiani |
| Mr Ndunda, Boniface Makau | Principal | General Mulinge High School | Eastern | Machakos | Kathiani |
| Mr Nzioki, Joseph Maingi | Principal | Ngiini Secondary School | Eastern | Machakos | Kathiani |
| Mr Masila, Sammy | Principal | A.B.C. Kwangengi Secondary School | Eastern | Machakos | Kathiani |
| Mr Mwongela, Fred Wambua | Principal | Kinyau Secondary School | Eastern | Machakos | Kathiani |
| Mr Mutiso, Jorrum Mwei | Principal | Mbuuni Day Secondary School | Eastern | Machakos | Kathiani |
| Mrs Wambeti, Aurelia Rosslyne Kioko | Principal | Kalikya Mixed Day Secondary School | Eastern | Machakos | Kathiani |
| Mr Rori, Bernard Orina | Principal | Kalikya Mixed Day Secondary School | Eastern | Machakos | Kathiani |
| Mr Kombo, Isaac Maingi | Principal | Kaiani Mixed Day Secondary School | Eastern | Machakos | Kathiani |
| Mrs Kingoo, Francisca Katumbi | Principal | St. Vincent Imilini Day Secondary School | Eastern | Machakos | Kathiani |
| Mr Muli, Geoffrey Munyao | Principal | Rev. Kitonyi Memorial High School | Eastern | Machakos | Kathiani |
| Mrs Mwanthi, Beth Mutheu | Principal | Nthunguni Secondary School | Eastern | Machakos | Kathiani |
| Mr Mutua, Raphael Mutuku | Principal | Kauti Secondary School | Eastern | Machakos | Kathiani |
| Mr Murage, Benedict Njogu | Principal | St. Benedict Secondary School -Kituli | Eastern | Machakos | Kathiani |
| Mr Kitavi, Patrick Maingi | Principal | Ikoleni Secondary School | Eastern | Machakos | Kathiani |
| Mrs Mutuku, Florence Wandii | Principal | Lumbwa Secondary School | Eastern | Machakos | Kathiani |
| Mr Wambua, Stanslaus Kioko | Principal | Mavoko Secondary School | Eastern | Machakos | Mavoko |
| Mrs Musyoka, Lois | Principal | Kyumbi Secondary School | Eastern | Machakos | Mavoko |
| Mr Kiswii, Thedeus Muange | Principal | Muthwani Secondary School | Eastern | Machakos | Mavoko |
| Mr Kwale, Andrew Kimwemwe | Principal | St. Augustine Mlolongo Secondary School | Eastern | Machakos | Mavoko |
| Mr Kariuki, Stephen Mbugua | Principal | Athi River Secondary School | Eastern | Machakos | Mavoko |
| Mr Nzughu, Joseph Muthengi | Principal | Mathatani Secondary School | Eastern | Machakos | Mavoko |
| Mrs Mutisya, Caroline Mueni | Principal | Lukenya Girls Centre Of Excellence | Eastern | Machakos | Mavoko |
| Mr Odhek, Henry Otieno | Principal | Kinanie Mixed Secondary School | Eastern | Machakos | Mavoko |
| Mr Ombwayo, Arum Nicanor | Principal | Katani D.E.B. Mixed Secondary School | Eastern | Machakos | Mavoko |
| Mrs Kyalo, Marrietta Ngii Musaa | Principal | Kanaani Secondary School | Eastern | Machakos | Mavoko |
| Mr Kioko, James Mulwa | Principal | Kwa Kalusya Secondary School | Eastern | Machakos | Mavoko |
| Mr Muasya, Duncan Peter | Principal | Empakasi Secondary School | Eastern | Machakos | Mavoko |
| Mrs Mutua, Dorothy Muthini | Principal | Empakasi Secondary School | Eastern | Machakos | Mavoko |
| Mr Waithaka, Raphael Kariuki | Principal | Machakos Secondary School For The Deaf | Eastern | Machakos | Machakos Town |
| Mr Kimanzi, Bernard K | Principal | Ngelani Agric. High School | Eastern | Machakos | Machakos Town |
| Mr Kinuthia, Julius Muniu | Principal | Kyangala Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mutiso, Josephine Mbete | Principal | Muvuti High School | Eastern | Machakos | Machakos Town |
| Mr Kitungi, Munyao Anthony | Principal | Kwanthanze Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kilavi, Samson Musyoki | Principal | A.B.C Iveti Hills Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muli, Daniel Kyalo | Principal | Muindi Mbingu Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Muli, Mary Nduku | Principal | Mang’auni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mbindyo, Christopher Musyoka | Principal | Mbukuni Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mutyota, Goretti Waeni | Principal | Katheka – Kai Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Owaa, Margaret Owaka | Principal | Katheka – Kai Secondary School | Eastern | Machakos | Machakos Town |
| Mr John, Jeremiah Kioko | Principal | Kitulu Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mutua, Franklin Maingi | Principal | Katanga Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mulove, Justus Kioko | Principal | Kyanda Secondary School | Eastern | Machakos | Machakos Town |
| Mr Musau, Joseph Mutua | Principal | Kalama Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munyao, Isaac Wambua | Principal | Mbuani Secondary School | Eastern | Machakos | Machakos Town |
| Mr Musaa, Joseph Mwikya | Principal | Mbuani Secondary School | Eastern | Machakos | Machakos Town |
| Mr Joseph, Patrick Wambua | Principal | Muumandu Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mwangangi, Patrick Mutuku | Principal | Muumandu Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Komu, Mueni | Principal | Iiyuni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kyalo, Paul Joseph | Principal | Kyandili Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ngila, Pius | Principal | Kwakavoo Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ivongo, Benedict Munywoki | Principal | Mua Farm Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Musyoka, Josephine Muia | Principal | A.I.C. Mbembani Central Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kieti, Johnson Matata | Principal | Kikumbo Mixed Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muia, Justus Kinyae | Principal | Katumani Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mutuku, Mary Nthenya | Principal | Kiseveni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ndambuki, Benjamin Kyalo | Principal | Machakos Baptist Presbiterian Mixed Day | Eastern | Machakos | Machakos Town |
| Mr Paul, Henry Yelo | Principal | Upper Kitanga Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Muoki, Onesmus Mutisya | Principal | Kiuu Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Musau, Misheck Kasimba | Principal | Konza A.B.C. Secondary School – Machakos | Eastern | Machakos | Machakos Town |
| Mr Mitambo, Richard Mwendwa | Principal | Kamuthanga Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Miss John, Felista Mawia | Principal | Masaani Girls Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mumo, Joseph Kimulu | Principal | Kimutwa Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Nzyima, Hamienny Minoo | Principal | Nzaini Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mwilu, Daniel Mwathe | Principal | S.A. Mutituni Mixed Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kithyaka, Jackson Muinde | Principal | Kinoi Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munyao, Jonathan Mua | Principal | Katelembu Centre For Excellence Boys H S | Eastern | Machakos | Machakos Town |
| Mr Kiilu, Peter Muia | Principal | Kyeni Baptist Day Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Kyalo, Joyce Ndinda | Principal | Mung’ala Secondary School – Machakos | Eastern | Machakos | Machakos Town |
| Mr Muthangya, Jeremiah Kimanzi | Principal | Mung’ala Secondary School – Machakos | Eastern | Machakos | Machakos Town |
| Mrs Makau, Zipporah Mbithe | Principal | Baraka S.A.Kavyuni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kioli, Raphael Mutiso | Principal | Kyaani Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Marete, Jane Gaiti | Principal | Mulaani Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ngumbi, Josephat Musembi | Principal | Kithima A.B.C. Secondary School | Eastern | Machakos | Machakos Town |
| Mr Meni, Benson Muoka | Principal | Kivandini Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mbaluto, Geoffrey Silla | Principal | Kyanzasu Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Kilonzi, Florence Muthini | Principal | Kyangala Girls High School | Eastern | Machakos | Machakos Town |
| Mrs Mwikya, Veronika Nduku | Principal | Iluvya Secondary School | Eastern | Machakos | Machakos Town |
| Mr Koti, Paul Muia | Principal | A.I.C Kiima Kimwe Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Katuku, Harriet Kawira | Principal | Kaseve Secondary School | Eastern | Machakos | Machakos Town |
| Mr Munguti, Johnbosco Kioko | Principal | Kasinga Secondary School | Eastern | Machakos | Machakos Town |
| Mr Matu, Jonathan Kivuva | Principal | Kyemutheke Day Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mutua, Japheth Ndolo | Principal | Kyaviti Secondary School | Eastern | Machakos | Machakos Town |
| Miss Kavita, Patricia Nthunya | Principal | Mutuyu Mixed Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kasyoka, Mutinda Kaindi | Principal | Makakoi Secondary School | Eastern | Machakos | Machakos Town |
| Mr Nzilu, Robert Mutemi | Principal | Miu Boys Secondary School | Eastern | Machakos | Mwala |
| Mr Muteti, Harrison Musyoka | Principal | St. James Etikoni Secondary School | Eastern | Machakos | Mwala |
| Mrs Mbae, Esther Gakii | Principal | Lema Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Mutua, Titus Mukiti | Principal | Mbaikini Secondary School | Eastern | Machakos | Mwala |
| Mr Muthoka, Stephen Vaita Misi | Principal | Ikalaasa Secondary School | Eastern | Machakos | Mwala |
| Mrs Kisyanga, Salome Ndungwa | Principal | Kithangaini Secondary School | Eastern | Machakos | Mwala |
| Mr Mutaiti, Martin Mutua | Principal | Mango Secondary School | Eastern | Machakos | Mwala |
| Mr Mulela, Christopher Kyeva | Principal | Mbiuni Secondary School | Eastern | Machakos | Mwala |
| Mrs Matuku, Catherine Wavinya | Principal | Kibauni Secondary School | Eastern | Machakos | Mwala |
| Mr Ndumai, Jeremiah Kyalo | Principal | Kibauni Secondary School | Eastern | Machakos | Mwala |
| Mr Marangu, Martin Mwiti | Principal | Bishop Ndingi High School | Eastern | Machakos | Mwala |
| Miss Kiio, Annastasia Joan Nthoki | Principal | St. George’s Katheka High School | Eastern | Machakos | Mwala |
| Mrs Kyalo, Florence Mutheu Mbithi | Principal | Mulu Mutisya-lema Secondary School | Eastern | Machakos | Mwala |
| Mr Wambua, Sebastian Malii | Principal | Kilembwa Secondary School | Eastern | Machakos | Mwala |
| Mr Muoka, James Musa | Principal | Kunikila A.I.C Secondary School | Eastern | Machakos | Mwala |
| Mrs Matheka, Anna Mueni | Principal | Mbaani Secondary School | Eastern | Machakos | Mwala |
| Mr Kitheka, Kennedy Mulandi | Principal | Kavumbu A.B.C. Secondary School | Eastern | Machakos | Mwala |
| Mr Kisilu, Bernard Mutinda | Principal | A.I.C. Kwamutula Secondary School | Eastern | Machakos | Mwala |
| Mr Maanya, Robert Dennis | Principal | Miseleni Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mrs Kithuku, Veronica Mateta | Principal | Muusini S.A Secondary School | Eastern | Machakos | Mwala |
| Mr Muithya, Bernard Matheka | Principal | Wakaela Secondary School | Eastern | Machakos | Mwala |
| Mr Mutia, Peter Mbalaka | Principal | Mithanga Secondary School | Eastern | Machakos | Mwala |
| Mr Mbithi, Nicholas Nzuki | Principal | St. Stephens Masii Secondary School | Eastern | Machakos | Mwala |
| Mr Kitenge, Richard Kialyulo | Principal | St. Marks Kundu Mixed Day Sec Sch | Eastern | Machakos | Mwala |
| Mr Muinduki, Zacchaeus Mutua | Principal | St. Joseph’s Kasolongo Sec. School | Eastern | Machakos | Mwala |
| Mr Kasuva, Evaristus Wambua | Principal | Muthei Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutua, Angela Katumbi | Principal | Kikaso Secondary School | Eastern | Machakos | Mwala |
| Mr Mang’ee, Julius Mwendo | Principal | St. Martin Utithini Mixed Day Sec School | Eastern | Machakos | Mwala |
| Miss Mutiso, Mary Wanza | Principal | Kilala Secondary School | Eastern | Machakos | Mwala |
| Mrs Maithya, Christine Mwia | Principal | Makaalu Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Nzioka, Abraham Mutuku | Principal | Embui Secondary School | Eastern | Machakos | Mwala |
| Mr Ngewa, Nyamasyo | Principal | Muthetheni Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Kioko, Simon Kyalo | Principal | Kamwala Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Mutuvi, Paul | Principal | Matulani Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Mweva, Abedneccoh Muli | Principal | Ukalani Secondary School | Eastern | Machakos | Mwala |
| Mr Kitonyi, Patrick Nzau | Principal | Kawaa Secondary School | Eastern | Machakos | Mwala |
| Mr Kimanthi, Justus Kilembi | Principal | St. Anthony Makiliva Secondary School | Eastern | Machakos | Mwala |
| Mr Munyao, Silvester Kyalo | Principal | Ngamba Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Kyungu, Jonathan Musyoka | Principal | Kabaa Day Mixed Secondary School | Eastern | Machakos | Mwala |
| Mr Kimunthi, Daniel Mule | Principal | Kyamatula Secondary School | Eastern | Machakos | Mwala |
| Ms Mukanga, Domitila Akinyi | Principal | St. Stephen Musaalani Secondary School | Eastern | Machakos | Mwala |
| Mrs Mule, Alice Wairimu | Principal | Miondoni Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mr Kanga, David Nduna | Principal | St. Pius Secondary School – Kaitha | Eastern | Machakos | Mwala |
| Mr Kitheka, Peter Syengo | Principal | Kiuukuni Mixed Day Secondary School | Eastern | Machakos | Mwala |
| Mrs Muthengi, Felistus Kalunda | Principal | Mwaasua Secondary School | Eastern | Machakos | Mwala |
| Mr Munyao, Lawrence Mutiso | Principal | Mukuyuni Secondary School | Eastern | Machakos | Mwala |
| Mr Kimanzi, Joseph Wambua | Principal | Muthwani S.A Secondary School | Eastern | Machakos | Mwala |
| Mrs Gatakaa, Grace Kivuvo | Principal | Kyanganga S.A Secondary School | Eastern | Machakos | Mwala |
| Mr Mumo, Joel Mutua | Principal | Ngumbau Secondary School | Eastern | Machakos | Mwala |
| Mrs Karimi, Grace Gathoni | Principal | St. Josephine Bhakita Masinga Girls High | Eastern | Machakos | Masinga |
| Mrs Nyaga, Jane Karaki | Principal | Kasuvilo Mixed Day Secondary School | Eastern | Machakos | Masinga |
| Mr Kamanja, Bernard Rurira | Principal | Ikombe Secondary School | Eastern | Machakos | Yatta |
| Mr Karong’o, Gitonga Paul | Principal | Syokisinga Secondary School | Eastern | Machakos | Yatta |
| Mr Kimaili, Peter Musyoki | Principal | Ngumbulu Secondary School | Eastern | Machakos | Yatta |
| Mrs Ithiga, Agnes Muthoni | Principal | St. Francis Misyani Girls High School | Eastern | Machakos | Kangundo |
| Mr Makau, Joseph Kivuva | Principal | Matungulu Mixed Secondary School | Eastern | Machakos | Kangundo |
| Mrs Kariuki, Lucy Wangui | Principal | Matungulu Girls Secondary School | Eastern | Machakos | Matungulu |
| Mrs Wambua, Stella Wahu | Principal | Sengani Secondary School | Eastern | Machakos | Matungulu |
| Mr Kiwia, Wilberforce Nzangi | Principal | Katwanyaa Secondary School | Eastern | Machakos | Matungulu |
| Mr Mua, Erustus Nzia | Principal | Kaewa Secondary School | Eastern | Machakos | Kathiani |
| Mrs Nzoka, Damaris Mwikali | Principal | Kathiani Girls High School | Eastern | Machakos | Kathiani |
| Mr Mwanza, Nicholas Mwangangi | Principal | Ngalalya Secondary School | Eastern | Machakos | Mavoko |
| Mrs Muindi, Jane Kavini | Principal | Machakos Teachers’ Training College | Eastern | Machakos | Machakos Town |
| Mr Njoka, Micheni Chabari | Principal | Machakos Teachers’ Training College | Eastern | Machakos | Machakos Town |
| Mrs Mabwai, Joyce Chepkirui | Principal | Machakos Teachers’ Training College | Eastern | Machakos | Machakos Town |
| Mrs Mwangi, Mary Muthoni | Principal | Mua Hills Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Mugendi, Lucy Kawira | Principal | Machakos Girls High School. | Eastern | Machakos | Machakos Town |
| Mrs Khainga, Judith Akolo | Principal | Ngelani Agric. High School | Eastern | Machakos | Machakos Town |
| Mr Mwathi, John Kariuki | Principal | Katoloni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mokaya, Richard Barake | Principal | Kyangala Secondary School | Eastern | Machakos | Machakos Town |
| Mr Kimiti, Benjamin Kilonzo | Principal | Kyambuko Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Murigu, Jean Nyawira | Principal | A.I.C. Nyayo Girls Secondary School | Eastern | Machakos | Machakos Town |
| Mr Mbaluka, Muli Bendict | Principal | Kalama Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Karuntimi, Karen K | Principal | Mumbuni Girls Secondary School | Eastern | Machakos | Machakos Town |
| Mrs Wambua, Janet Ndunge | Principal | Kiatuni Secondary School | Eastern | Machakos | Machakos Town |
| Mr Ndena, Felkin Kaingu | Principal | Masii Boys Secondary School | Eastern | Machakos | Mwala |
| Miss Nziu, Marcellina Ndululu | Principal | Muthetheni Girls Secondary School | Eastern | Machakos | Mwala |
| Mr Mwanzi, Muteti Peter | Principal | Mwala Mixed Secondary School | Eastern | Machakos | Mwala |
| Mrs Musyoki, Alice Kavithwa | Principal | Kyethivo Girls Secondary School | Eastern | Machakos | Mwala |
| Mrs Mbiti, Marysella Mumbua | Principal | Vyulya Girls Secondary School | Eastern | Machakos | Mwala |
| Mrs Mumo, Veronica Mumbua | Principal | St. Teresa Mwala Girls High School | Eastern | Machakos | Mwala |
| Mrs Matee, Damaris Mukonyo | Principal | Maweli Secondary School | Eastern | Machakos | Mwala |
| Mrs Mutisya, Josephine Wanjiru | Principal | Wakaela Secondary School | Eastern | Machakos | Mwala |
| Mr Mwangele, Paul Mwoki | Principal | Kabaa High School | Eastern | Machakos | Mwala |