Senior schools in Nairobi County
- Rusinga School Nairobi - High School
Senior school · Mixed · Day
- Ruthimitu Girls Secondary School
C3 · Girls · Boarding
- Ruthimitu High School
C4 · Mixed · Day
- Salem Education Center
Senior school · Mixed · Day
- Satelite Starehe Secondary
Senior school · Mixed · Day
- Scholar Secondary School
Senior school · Mixed · Day
- Serare School-Secondary
Senior school · Mixed · Day
- Shadrack Kimalel
C4 · Mixed · Day · Kibra sub-county
- Shauri Moyo Muslim Secondary School
Senior school · Mixed · Day
- Sheep Care Community Centre Secondary
Senior school · Mixed · Day
- Shilce School
Senior school · Mixed · Day
- Shinners Secondary School
Senior school
- Shinning Lights Educational Centre -Secondary
Senior school · Mixed · Day
- Shree Cutchi Leva Patel Secondary
Senior school · Mixed · Day
- Sifma Secondary School
Senior school · Mixed · Day
- Silver Bridge School Secondary
Senior school · Mixed · Day
- Silverbridge Secondary School
Senior school · Mixed · Day
- Skyview High School
Senior school · Mixed · Day
- Soweto Academy-Secondary
Senior school · Girls · Day
- Soweto Baptist Hgh School
Senior school · Mixed · Day
- Sparkle High School
Senior school · Mixed · Day
- S.S.D Secondary School
Senior school · Mixed · Day
- St Agnes Mixed Secondary School
Senior school
- St. Aloysius Gonzaga Secondary School
Senior school · Mixed · Day
- St. Annes Girls Secondary
C2 · Girls · Boarding · Makadara sub-county
- Starays Hope Comm Center Secondary School
Senior school · Mixed · Day
- Starehe Boys
C1 · Boys · Boarding · Starehe sub-county
- Starehe Boys Centre
Senior school · Boys · Day
- Starehe Girls
C1 · Girls · Boarding · Kasarani sub-county
- Starlight Senior Academy
Senior school · Mixed · Day
- Star Of Hope Secondary
C4 · Mixed · Day · Makadara sub-county
- State House Boys
C3 · Boys · Boarding · Westlands sub-county
- State House Girls High School
C1 · Girls · Boarding
- St Augustus Secondary School
Senior school · Mixed · Day
- St. Austin's Academy -Secondary
Senior school · Mixed · Day
- St Benard Secondary School
Senior school
- St. Catherines Mountain View Academy Secondary School
Senior school · Girls · Boarding
- St Charles Lwanga Secondary School
Senior school · Mixed · Day
- St Charles Mutego High School
Senior school · Mixed · Day & Boarding
- St. Christophers' Secondary School
Senior school · Mixed · Day & Boarding
- St Deborah Girls High School
Senior school · Girls
- St. Deborah Girls High School
Senior school
- St. Dominics
C4 · Mixed · Day · Njiru sub-county
- St. Dominics Savio's Secondary School
Senior school · Mixed · Day
- St Edwards High School
Senior school · Mixed · Day
- St. Elizabeth Academy Secondary
Senior school · Girls · Boarding
- St. Elizabeth Boys High School
Senior school · Boys · Boarding
- Stephjoy School -High School
Senior school · Girls · Boarding
- St. Eunice Academy Secondary School
Senior school · Mixed · Day
- St. Florencen Academy Secondary
Senior school · Girls · Day
- St Gabriel Secondary School
Senior school · Mixed · Day
- St. George’s Athi
C4 · Mixed · Day · Njiru sub-county
- St. George's Girls Secondary School
C1 · Girls · Boarding
- St. Hannahs' Boys High School
Senior school · Boys · Boarding
- St. Hannah Secondary School
Senior school · Girls · Boarding
- St Hellen Imani Secondary School
Senior school · Mixed · Day
- St Johns High School
Senior school · Mixed · Day
- St Joseph Ecumenical School Secondary
Senior school · Mixed · Day
- St Joseph High School
Senior school · Mixed · Day
- St Juliet Secondary School
Senior school · Mixed · Day
- St Justino Secondary School
Senior school
- St Marks Secondary School
Senior school
- St. Martins Girls Secondary School
Senior school · Girls · Boarding
- St Mary Academy Secondary School
Senior school · Mixed · Day
- St Marys Jogoo Rd Secondary School
Senior school · Boys · Boarding
- St Marys Kerio High School
Senior school · Mixed · Boarding
- St. Mary's School - Secondary
Senior school · Mixed · Day
- St Michael Hill School
Senior school
- St Michaels Holy Unity Secondary School
Senior school · Mixed · Day & Boarding
- St. Nicholas Senior Shool - Secondary
Senior school · Mixed · Day
- St Patrick Nbi Mixed Secondary
C4 · Mixed · Day · Makadara sub-county
- Strathmore School - Secondary
Senior school · Boys · Day
- St. Scholastica High School
Senior school
- St Teresa Mixed Day
Senior school · Mixed · Day
- St Teresa's Boys High School
C4 · Boys · Day
- St Teresa's Girls Secondary School
C3 · Girls · Boarding
- St Triza Mixed High School
Senior school · Mixed · Day
- St Zion Centre High School
Senior school
- Suda Acdemy (Secondary)
Senior school · Mixed · Day
- Sud Academy Secondary
Senior school · Mixed · Day
- Sunflower Academy Secondary School
Senior school · Mixed · Day
- Sunshine Secondary School
Senior school · Boys · Boarding
- Swedish Secondary School
Senior school · Mixed · Day & Boarding
- Temple Road High School
Senior school · Mixed · Day
- The Highlink Schls
Senior school · Mixed · Day
- The Highway Secondary School
C2 · Boys · Boarding
- The Komarock School
C4 · Mixed · Day · Embakasi sub-county
- The Nairobi Japanese School-Junior High
Senior school
- Timanne Secondary School
Senior school
- Tj Kajwang’
C4 · Mixed · Day · Kasarani sub-county
- Top Mark High School
Senior school · Mixed · Day
- True Friends Academy Secondary
Senior school · Mixed · Day
- Trusted Care Educational Group (Secondary)
Senior school · Mixed · Day
- Twin Angles High School Secondary
Senior school · Mixed · Day
- Uhuru Secondary School
C2 · Boys · Boarding
- Umoja Mixed Day High School
Senior school · Mixed · Day
- Upper Hill School
C2 · Boys · Boarding
- Ushirika
C4 · Mixed · Day · Njiru sub-county
- Vinespring Girls High School
Senior school · Girls · Boarding
- Waithaka Riverside School (Secondary)
Senior school · Mixed · Day
Historical KCSE rankings for Nairobi
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.