County secondary schools in Kenya form the third tier after national and extra-county schools respectively.
Most of Kenyan learners are absorbed by these schools.
Admission to county schools is done online by the Ministry of Education.
They are either mixed or single-sex.
Here is the list of County schools located in Kericho County:
| School Code | School Name | Category | Type | |
| 1 | 28512105 | CHEBIGEN SECONDARY SCHOOL | County | Mixed |
| 2 | 28512106 | KIPCHIMCHIM SECONDARY SCHOOL | County | Boys |
| 3 | 28512120 | TOROR GIRLS’ SECONDARY SCHOOL | County | Girls |
| 4 | 28512126 | AIC TELANET GIRLS HIGH SCHOOL | County | Girls |
| 5 | 28522402 | TEBESONIK SECONDARY SCHOOL | County | Mixed |
| 6 | 28522404 | KAPKISIARA SECONDARY SCHOOL | County | Girls |
| 7 | 28522405 | TULWET SECONDARY SCHOOL | County | Boys |
| 8 | 28522406 | GETARWET SECONDARY SCHOOL | County | Girls |
| 9 | 28522407 | KABARTEGAN HIGH SCHOOL | County | Boys |
| 10 | 28522502 | SOSIT GIRLS’ SECONDARY SCHOOL | County | Girls |
| 11 | 28522503 | CHEPLANGET SECONDARY SCHOOL | County | Boys |
| 12 | 28522506 | KIPTEWIT BOYS HIGH SCHOOL | County | Boys |
| 13 | 28522507 | KAPSOGUT BOYS HIGH SCHOOL | County | Boys |
| 14 | 28522511 | CHEBORGE GIRLS SECONDARY SCHOOL | County | Girls |
| 15 | 28522518 | NGESUMIN GIRLS SECONDARYSCHOOL | County | Girls |
| 16 | 28522535 | KIPTEWIT GIRLS HIGH SCHOOL | County | Girls |
| 17 | 28522536 | MASUBETI GIRLS HIGH SCHOOL | County | Girls |
| 18 | 28522540 | AROKYET GIRLS SECONDARY SCHOOL | County | Girls |
| 19 | 28522541 | RORET BOYS HIGH SCHOOL | County | Boys |
| 20 | 28539102 | TAITA TOWETT SECONDARY SCHOOL | County | Boys |
| 21 | 28539103 | BARSIELE SECONDARY SCHOOL | County | Mixed |
| 22 | 28539104 | LESIRWO SECONDARY SCHOOL | County | Mixed |
| 23 | 28539202 | LELU SECONDARY SCHOOL | County | Mixed |
| 24 | 28539301 | CHILCHILA SECONDARY SCHOOL | County | Mixed |
| 25 | 28539303 | CHEPKECHEI SECONDARY SCHOOL | County | Boys |
| 26 | 28539304 | KIPTERIS GIRLS SECONDARY SCHOOL | County | Girls |
| 27 | 28539305 | NDUBUSAT GIRLS SECONDARY SCHOOL | County | Girls |
| 28 | 28553114 | KAPTEBESWET GIRLS SECONDARY SCHOOL | County | Girls |
| 29 | 28553203 | KAPMASO SECONDARY SCHOOL | County | Mixed |
| 30 | 28553204 | KABIANGA GIRLS HIGH SCHOOL | County | Girls |
| 31 | 28553207 | CHEMAMUL BOYS SECONDARY SCHOOL | County | Boys |
| 32 | 28553208 | KOIWALELACH GIRLS SECONDARY SCHOOL | County | Girls |
| 33 | 28553212 | KIBINGEI GIRLS SECONDARY SCHOOL | County | Girls |
| 34 | 28571101 | KIMASIAN SECONDARY SCHOOL | County | Boys |
| 36 | 28571103 | KEDOWA GIRLS SECONDARY SCHOOL | County | Girls |
| 37 | 28571405 | BAROTION SECONDARY SCHOOL | County | Mixed |
| 38 | 28571501 | CHEPSEON SECONDARY SCHOOL | County | Girls |
| 39 | 28571503 | CHESINENDE GIRLS SECONDARY SCHOOL | County | Girls |
| 40 | 28571601 | CHEPSIR BOYS HIGH SCHOOL | County | Boys |
| 41 | 28571604 | CHAGAIK SECONDARY SCHOOL | County | Mixed |
| 42 | 28575101 | KIPTERE BOYS SECONDARY SCHOOL | County | Boys |
| 43 | 28575102 | KAKIBEI SECONDARY SCHOOL | County | Boys |
| 44 | 28575103 | SINGORONIK SECONDARY SCHOOL | County | Mixed |
| 45 | 28575104 | MUSARIA SECONDARY SCHOOL | County | Mixed |
| 46 | 28575105 | ST.THOMAS MINDILILWET SECONDARY SCHOOL | County | Boys |
| 47 | 28575106 | ST. FRANCIS GIRLS SECONDARY SCHOOL | County | Girls |
| 48 | 28575107 | KAPLELARTET SECONDARY SCHOOL | County | Mixed |
| 49 | 28575109 | CHEPTUIYET GIRLS SECONDARY SCHOOL | County | Girls |
| 50 | 28575208 | KABOKYEK SECONDARY SCHOOL | County | Mixed |