Kosirai School Zone School name Search School type All7Primary0Senior7 AIC Cheptwolio SecondaryC4 · Mixed · Day, Chesumei sub-county, Nandi CountyAIC Kosirai Gilrs SecondaryC3 · Girls · Boarding, Chesumei sub-county, Nandi CountyChrist He King HighSenior school · Mixed · Day, Nandi CountyKosirai High SchoolSenior school · Boys · Day, Nandi CountyNdaptabwa Mixed HighSenior school · Mixed · Day, Nandi CountySt Joseph Chepterit Girls HighC1 · Girls · Boarding, Chesumei sub-county, Nandi CountySt Judes Kokwet SecondaryC4 · Mixed · Day, Chesumei sub-county, Nandi County Historical KCSE rankings for Kosirai 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 14 October 2026. Other schools come from our older directory. Each school page shows its dates.