Senior schools in Tharaka-Nithi County
- Abc Nkondi Girls Sec
Senior school · Girls · Boarding
- ACK Igangara Sec
C3 · Mixed · Boarding
- ACK Kaanwa Mixed Sec
Senior school · Mixed · Day
- ACK Kaanwa Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- A.C.K Murigi Girls’ Secondary School
C4 · Girls · Day · Igambang’Ombe sub-county
- Ccm Ndiruni Day Sec
Senior school · Mixed · Day
- Chiakariga Girls Sec
C3 · Girls · Boarding
- Chiakariga Mixed Sec
C4 · Mixed · Day
- Chief Mbogori Girls Sec
C2 · Girls · Boarding
- Chief Petro Mixed Day Sec
C4 · Mixed · Day
- Chogoria Boys Sec
C1 · Boys · Boarding
- Chogoria Girls High
C1 · Girls · Boarding
- Chogoria Senior Sch
Senior school · Girls · Boarding
- Chuka Boys High Sch
C2 · Boys · Boarding
- Chuka Girls Sec
C2 · Girls · Boarding
- County Educational Centre
Senior school · Girls · Boarding
- Gaceraka Mixed Day Secondary School
C4 · Mixed · Day · Chiakariga sub-county
- Gaceraka Sec
Senior school · Mixed · Day
- Gaciongo Mixed Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Gaciongo Sec
Senior school · Mixed · Day & Boarding
- Gakauni Mixed Day Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Gakuuru Day Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Gatue Mixed Sec
C4 · Mixed · Day
- Gatunga Sec
C3 · Boys · Boarding
- Giampampo Secondary
C4 · Mixed · Day · Muthambi sub-county
- Gianchuku Mixed Sec
C4 · Mixed · Day
- Gituja Mixed Day Sec
C4 · Mixed · Day
- Gituntu Day Sec Sch
C4 · Mixed · Day
- Ibiriga Mixed Day Sec
C4 · Mixed · Day
- Igakiramba Mixed Day Sec
C4 · Mixed · Day
- Igwanjau Sec
C2 · Mixed · Boarding
- Ikame Mixed Day Secondary School
C4 · Mixed · Day · Muthambi sub-county
- Ikawa Sec Sch
C2 · Mixed · Boarding
- Ikumbo Sec Sch
C4 · Mixed · Day
- Ikuu Boys High
C1 · Boys · Boarding
- Ikuu Girls Sec
C2 · Girls · Boarding
- Iriani Mixed Day & Boarding Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Iruma Girls Sec
C2 · Girls · Boarding
- Iruma Mixed Day Sec
C4 · Mixed · Day
- Itara Day Secondary School
C3 · Mixed · Boarding · Muthambi sub-county
- Itara Mixed Day Sec
Senior school · Mixed · Day
- Itugururu Sec Sch
C2 · Mixed · Boarding
- Joseph Allamano Karamani Sec
Senior school · Boys · Boarding
- Kaanyaga Sec
C4 · Mixed · Day
- Kaarani Mixed Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kaare Mixed Sec
C4 · Mixed · Day
- Kabuabua Girls Secondary School
C4 · Girls · Day · Tharaka North sub-county
- Kabui Secondary School
C4 · Mixed · Day · Maara sub-county
- Kagaani Mixed Day Secondary
C4 · Mixed · Day · Meru South sub-county
- Kagumo Mixed Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kairini Secondary School
C4 · Mixed · Day · Igambang’Ombe sub-county
- Kajiampau Mixed Day Sec
C3 · Mixed · Boarding
- Kajiuduthi High School
C2 · Boys · Boarding · Muthambi sub-county
- Kajiuduthi Mixed Day Secondary School
C4 · Mixed · Day · Muthambi sub-county
- Kajiunduthi High Sch
Senior school · Mixed · Boarding
- Kajuki Mixed Sec
Senior school · Mixed · Day & Boarding
- Kajuki Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kalewa Sec Sch
C4 · Mixed · Day
- Kamacabi Mixed Day Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamaguna Day & Boarding Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamarandi Mixed Day Secondary School
C4 · Mixed · Day · Chiakariga sub-county
- Kamatungu Secondary School For The Hearing Impai
C1 · Mixed · Boarding · Tharaka South sub-county
- Kambandi Sec
C3 · Mixed · Boarding
- Kamuguongo Mixed Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kamutiria Secondary School
C4 · Mixed · Day · Igambang’Ombe sub-county
- Kamwathu Mixed Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamwathu Sec
Senior school · Mixed · Day
- Kamwimbi Sec Sch
C3 · Mixed · Boarding
- Kangoro Sec Sch
C4 · Mixed · Day
- Kanyuru Sec
C4 · Mixed · Day
- Karamugi Sec
C2 · Girls · Boarding
- Karigini Day Mixed Sec
C4 · Mixed · Day
- Karii Kamburi Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Karocho Day Mixed Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kathagara Mixed Day Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kathangachini Sec
C4 · Mixed · Day
- Kathigiririni Mixed Day
C4 · Mixed · Day
- Kathwana Mixed Day Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kauni Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiabumbu Sec
Senior school · Mixed · Day
- Kiamaogo Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiamaogo Mixed Day Sec
Senior school · Mixed · Day
- Kiamuchii Sec
C4 · Mixed · Day
- Kiamuriuki Sec Sch
C3 · Mixed · Boarding
- Kiangondu Sec Sch
C4 · Mixed · Day
- Kianjagi Mixed Day Sec
C4 · Mixed · Day
- Kiaritha Mixed Sec
C3 · Mixed · Boarding
- Kibumbu Day Mixed Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kieganguru Girls Secondary School
C3 · Girls · Boarding · Maara sub-county
- Kieni Mixed Sec
C4 · Mixed · Day
- Kiereni Sec
C3 · Mixed · Boarding
- Kigogo Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kiini Sec
C2 · Mixed · Boarding
- Kimucha Mixed Day Sec
Senior school · Mixed · Day
- Kimuchia Mixed Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiorimba Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kiraro Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kirege Sec
C3 · Mixed · Boarding
- Kiriani Boys Sec
C1 · Boys · Boarding
- Kiriani Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
Historical KCSE rankings for Tharaka-Nithi
Sources
- Senior schools: Ministry of Education lists for the 2026 intake, from the June 2025 list and the December 2025 C1, C2, C3 and C4 lists. Checked 1 October 2026.
- Other schools come from our older directory. Each school page shows its dates.