- ACK Igangara Secondary School – Mixed Day & Boarding
- ACK Kaanwa Sec School – Mixed Day
- Chiakariga Girls Secondary School – Girls Boarding
- Chiakariga Secondary School – Mixed Day
- Chief Mbogori Girls Secondary School – Girls Boarding
- Chief Petro Day Secondary School – Mixed Day
- Chogoria Boys High School – Boys Boarding
- Chuka Boys High School – Boys Boarding
- Chuka Girls’ Secondary School – Girls Boarding
- Gaciongo Secondary School – Mixed Day & Boarding
- Gatunga Secondary School – Boys Boarding
- Gianchunku Secondary School – Mixed Day
- Gituja Mixed Day Secondary School – Mixed Day
- Gituntu Day Secondary School – Mixed Day & Boarding
- Ibiriga Secondary School – Mixed Day
- Igakiramba Mixed Day Secondary School – Mixed Day
- Igwanjau Secondary School – Mixed Day & Boarding
- Ikawa Secondary School – Mixed Day & Boarding
- Ikumbo Day Secondary School – Mixed Day
- Ikuu Boys High School – Boys Boarding
- Ikuu Girls Secondary School – Girls Boarding
- Iruma Girls Secondary School – Girls Boarding
- Iruma Mixed Day Secondary School – Mixed Day
- Itara Day Secondary School – Mixed Day
- Itugururu Secondary School – Mixed Day & Boarding
- KAajiampau Mixed Secondary School – Mixed Day & Boarding
- Kaanyaga Secondary School – Mixed Day
- Kaarani Day Secondary School – Mixed Day
- Kabui Secondary School – Mixed Day
- Kajiunduthi High School – Mixed Boarding
- Kajuki Secondary School – Mixed Day & Boarding
- Kalewa Secondary School – Mixed Day
- Kambandi Secondary School – Mixed Day & Boarding
- Kamwathu Secondary School – Mixed Day
- Kamwimbi Secondary School – Mixed Day & Boarding
- Kangoro Day Mixed Secondary School – Mixed Day
- Kanyuru Sec School – Mixed Day
- Karamugi Secondary School – Girls Boarding
- Karigini Day Secondary School – Mixed Day
- Karocho Day Mixed Secondary School – Mixed Day
- Kathangachini Mixed Day Secondary – Mixed Day
- Kathigiririni Mixed Day Secondary School – Mixed Day
- Kiamaogo Day Secondary School – Mixed Day
- Kiamuchii Secondary School – Mixed Day
- Kiamuriuki Secondary School – Mixed Day
- Kiang’ondu Secondary School – Mixed Day
- Kianjagi Mixed Secondary School – Mixed Day
- Kiaritha Mixed Day Secondary School – Mixed Day
- Kibumbu day Mixed Secondary School – Mixed Day
- Kieganguru Girls Secondary School – Girls Day & Boarding
- Kieni Mixed Day Secondary School – Mixed Day
- Kiereni Secondary – Mixed Day & Boarding
- Kiini Secondary School – Mixed Day & Boarding
- Kimucia Secondary School – Mixed Day
- Kirege Secondary School – Mixed Day & Boarding
- Kiriaini Boys High School – Boys Boarding
- Kiriani Mixed Day Secondary School – Mixed Day
- Kiuani Secondary School – Mixed Day & Boarding
- Kiunguni Day Secondary School – Mixed Day
- Maabi Day Secondary School – Mixed Day
- Magenka Secondary School – Mixed Day & Boarding
- Maguma Mixed Day Secondary School – Mixed Day
- Magumoni Day Secondary School – Mixed Day
- Magumoni Girls – Girls Boarding
- Makanyanga Secondary School – Mixed Day
- Makawani Day Secondary School – Mixed Day
- Makuri Girls Secondary School – Girls Boarding
- Marimant Girls High School – Girls Boarding
- Matakiri Mixed Day Secondary – Mixed Day
- Materi Boys’ – Boys Boarding
- MCK Kiangiri Sec Sch – Mixed Day & Boarding
- Miomponi
- Mpukoni Secondary School – Mixed Day
- Mugona Girls Secondary School – Girls Day & Boarding
- Mukothima Mixed Day Secondary School – Mixed Day
- Mukui Day Secondary School – Mixed Day
- Mukuuni High School – Mixed Boarding
- Munga Day Secondary School – Mixed Day
- Muraga Technical Secondary School – Mixed Boarding
- Muthambi Boys Secondary School – Boys Boarding
- Muthambi Girls High School – Girls Boarding
- Mutrindwa Mixed Day Sec School – Mixed Day
- Ndagani Secondary School – Mixed Boarding
- Ndagoni Girls Secondary School – Girls Boarding
- Ndagoni Mixed Secondary School – Mixed Day
- Ngaita Girls Secondary School – Girls Day & Boarding
- Ngeru Secondary School – Boys Day & Boarding
- Njuri High School – Mixed Boarding
- Nkondi Sec School – Girls Boarding
- Ntoroni Mixed Day Secondary School – Mixed Day
- Ntumbara Secondary School – Mixed Day
- Nturiri Boys’ Secondary School – Boys Day & Boarding
- Our Lady of Mercy Girls Sec School – Girls Boarding
- PCEA Mutuguni Mixed Day Secondary School – Mixed Day
- Rubate Secondary School – Mixed Day
- St Ann Girls Secondary School – Girls Day & Boarding
- St Augustine Ruguta Secondary School – Mixed Day & Boarding
- ST Bonventure Mumbuni Secondary School – Mixed Day & Boarding
- St Paul’s Njaina Secondary School – Mixed Day
- Tharaka Secondary School – Boys Boarding
- Thigaa Secondary School – Mixed Boarding
- Tunyai Day Secondary School – Mixed Day
- Turima Mixed Day Secondary School – Mixed Day
- Wiru Secondary School – Mixed Day