Mitheru School Zone School name Search School type All6Primary0Senior6 ACK Igangara SecondaryC3 · Mixed · Boarding, Muthambi sub-county, Tharaka-Nithi CountyGituntu Day Secondary SchoolC4 · Mixed · Day, Muthambi sub-county, Tharaka-Nithi CountyKiini SecondaryC2 · Mixed · Boarding, Muthambi sub-county, Tharaka-Nithi CountyMugona Girls Secondary SchoolC3 · Girls · Boarding, Muthambi sub-county, Tharaka-Nithi CountyOur Lady of Mercy Girls SecondaryC2 · Girls · Boarding, Muthambi sub-county, Tharaka-Nithi CountySt Augustine Ruguta SecondaryC3 · Mixed · Boarding, Muthambi sub-county, Tharaka-Nithi County Tharaka-Nithi County KCSE results · Historical KCSE rankings for Mitheru 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 22 October 2026. Other schools come from our older directory. Each school page shows its dates.