- AIC Girls Secondary School – Girls Boarding
- Baraka Oontoyie Secondary School – Girls Boarding
- Cilon Davies Secondary School – Mixed Day
- Elerai Mick Girls Secondary School – Girls Boarding
- Enkorika Secondary School – Mixed Day & Boarding
- Enoomatasiani Girls Secondary School – Girls Boarding
- Ewuaso Girls Secondary Boarding School – Girls Boarding
- Holy Family Secondary School – Mixed Day
- Ilbissil Girls Sec School – Girls Boarding
- Ilkisonko Secondary School – Mixed Boarding
- Illasit Secondary School – Mixed Day
- Kaputiei Secondary School – Mixed Boarding
- KIBIKO SECONDARY SCHOOL – Mixed Day
- Kikelelwa Secondary School – Mixed Day
- Kiluani Newlife Secondary School – Boys Boarding
- Kimana Secondary School – Mixed Boarding
- Kings Educational School – Mixed Boarding
- Kiserian Mixed Day Secondary School – Mixed Day
- Loodariak Secondary School – Mixed Boarding
- Magadi Secondary School – Mixed Day
- Mashuuru Secondary School – Boys Boarding
- Merrueshi Maasai High School – Mixed Boarding
- Najile Boys Secondary School – Boys Boarding
- Nakeel Secondary School – Boys Boarding
- Namanga Mixed Day Secondary School – Mixed Day
- Nkaimurunya Mixed Day Secondary School – Mixed Day
- Noonkopir Girls Secondary School – Girls Boarding
- Olchorro Secondary School – Mixed Day
- Olekasasi Mixed Day Secondary School – Mixed Day
- Olkejuado High School – Boys Boarding
- Olkeri Secondary School – Mixed Day
- Oloitokitok Secondary School – Boys Boarding
- Oloolaiser High School – Boys Boarding
- Oloolua Secondary School – Mixed Day
- Olooseos Secondary School – Girls Boarding
- Oloyiankalani Mixed Secondary School – Mixed Boarding
- Olturoto Secondary School – Mixed Boarding
- Paterson Memorial Secondary School – Mixed Boarding
- PCEA Ilngarooj Boys Secondary School – Boys Boarding
- PCEA Kimuka Girls High School – Girls Boarding
- PCEA Ngong Hills Secondary – Mixed Day
- Thomas Fish Secondary School – Mixed Day & Boarding