December 2020 TSC Promotions Advertisement; TSC Advertises 15,226 Promotion Vacancies for Teachers  The Teachers Service Commission, TSC, has advertised 15,226 promotions vacancies for teachers. These vacancies include: Deputy Principal 1 Deputy Principal ll Senior Lecturer… (Exclusive)December 2020 TSC Promotions Advertisement; TSC Advertises 15,226 Promotion Vacancies for Teachers