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Senior schools in Thika District
Mashariki Secondary Senior school · Mixed · Day, Kiambu County Mataara Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Matunda Secondary School C4 · Mixed · Day, Ithanga/Kakuzi sub-county, Murang’a County Mbichi Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Mbuguti Secondary School C3 · Boys · Boarding, Gatanga sub-county, Murang’a County Miiri Secondary School Senior school · Mixed · Day, Kiambu County Mithini Secondary School C4 · Mixed · Day, Murang’a South sub-county, Murang’a County Mount Horeb Girls Senior school · Girls · Boarding, Kiambu County Mugedi Brain Sharpener Secondary School Senior school · Mixed · Day, Murang’a County Muhoho High School C2 · Boys · Boarding, Gatundu South sub-county, Kiambu County Mukurwe Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Munyu Girls Secondary C3 · Girls · Boarding, Thika East sub-county, Kiambu County Munyu-Ini Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Munyu Mixed Secondary School C4 · Mixed · Day, Thika East sub-county, Kiambu County Murera Secondary School C4 · Mixed · Day, Juja sub-county, Kiambu County Murera Star Secondary School Senior school · Mixed · Day, Kiambu County Mururia Secondary School C2 · Boys · Boarding, Gatundu South sub-county, Kiambu County Muthiga Girls Secondary School C2 · Girls · Boarding, Gatundu South sub-county, Kiambu County Muthurumbi Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Muti Secondary School C4 · Mixed · Day, Ithanga/Kakuzi sub-county, Murang’a County Mutuma Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Mutunguru Secondary School C3 · Girls · Boarding, Gatundu South sub-county, Kiambu County Mwagu Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County Mwana Wikio Secondary School Senior school · Mixed · Day, Murang’a County Ndakaini Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County Ndaragu High School Senior school · Mixed · Day, Kiambu County Ndarugu Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Ndekei Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Ndunyu Chege Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County Nembu Secondary School C3 · Girls · Boarding, Gatundu South sub-county, Kiambu County Ngelelya Secondary School C4 · Mixed · Day, Ithanga/Kakuzi sub-county, Murang’a County Ngethu Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Ngoliba Secondary School C4 · Mixed · Day, Thika East sub-county, Kiambu County Nica Academy Senior school · Mixed · Day, Kiambu County Njahi Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Nundu Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Nuruwest Secondary Senior school · Mixed · Day, Kiambu County Nyaga Secondary School Senior school · Mixed · Day, Murang’a County Nyamangara Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Nyamathumbi Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County Our Lady of Fatima-Kiriko Secondary School C3 · Girls · Boarding, Gatundu North sub-county, Kiambu County Our Lady of Fatima Secondary School Senior school · Girls · Day & Boarding, Kiambu County PCEA Githaru Secondary School Senior school · Mixed · Day, Kiambu County PCEA Kiganjo Secondary School Senior school · Mixed · Day, Kiambu County PCEA Kigio Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County PCEA Mukuyu-Ini Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County PCEA Ngenda Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Peter Kariuki Secondary School C4 · Mixed · Day, Murang’a South sub-county, Murang’a County Progressive Girls High School Senior school · Girls · Boarding, Kiambu County Reeria Secondary School Senior school, Kiambu County Ruburi Secondary School C4 · Mixed · Day, Gatundu South sub-county, Kiambu County Ruiru Girls Secondary School C3 · Girls · Listed as hybrid, Ruiru sub-county, Kiambu County Ruiru Secondary School C4 · Boys · Day, Ruiru sub-county, Kiambu County Ruiru Star Secondary School Senior school · Mixed · Day & Boarding, Kiambu County Rwegetha Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County Sapencia Education Centre,Alpha High School Senior school · Mixed · Day, Kiambu County Shelherds Hills Secondary Senior school · Mixed · Day, Kiambu County St. Appolonuh's Secondary School Senior school · Mixed · Day, Kiambu County St. Augustine Boys Secondary School Senior school · Boys · Boarding, Kiambu County St Augustine Mutundu Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County St. Bakita Girls Secondary School Senior school · Mixed · Day & Boarding, Kiambu County St Benedicts Mixed High School Senior school, Kiambu County St Francis Girls High School Mang'u C1 · Girls · Boarding, Gatundu North sub-county, Kiambu County St John's Gakoe Secondary School Senior school · Mixed · Day, Kiambu County St. Josephine Education Centre High School Senior school · Mixed · Day, Kiambu County St Joseph the Worker Secondary School Mang'u C4 · Mixed · Day, Gatundu North sub-county, Kiambu County St Linda's Senior school · Mixed · Day, Kiambu County St Lucie Kiriri Girls Secondary School Senior school · Girls · Boarding, Kiambu County St. Mark's Gatuanyaga Secondary School Senior school · Mixed · Day, Kiambu County St. Michaels Secondary School Senior school · Mixed · Day, Kiambu County St Paul Gatuanyaga Secondary School C3 · Boys · Boarding, Thika East sub-county, Kiambu County St Paul Gatura Secondary School C4 · Mixed · Day, Gatanga sub-county, Murang’a County St. Paul Secondary School Senior school · Mixed · Day, Kiambu County St. Paul's Educational Centre Secondary School Senior school · Mixed · Day & Boarding, Kiambu County St. Peter's High School Senior school · Mixed · Day & Boarding, Kiambu County St Stephen Ndiko Secondary School C4 · Mixed · Day, Gatundu North sub-county, Kiambu County St. Teresa Secondary School Senior school · Mixed · Day, Murang’a County St. Xavier's Secondary School Senior school · Girls · Day & Boarding, Kiambu County Theos Senior School Senior school · Mixed · Day, Kiambu County Thika High School C1 · Boys · Boarding, Thika West sub-county, Kiambu County Thika High School for the Blind Secondary Senior school · Mixed · Boarding, Kiambu County Thika Pentagon Academy Secondary School Senior school · Mixed · Day, Kiambu County Thika Road Girls Senior school · Girls · Boarding, Kiambu County Trikha Girls Secondary School Senior school · Girls · Day & Boarding, Kiambu County Tumaini Christian Secondary School Senior school · Mixed · Day & Boarding, Kiambu County Uceke-Ini Secondary School Senior school · Mixed · Day & Boarding, Kiambu County Wamwangi Secondary School C4 · Girls · Day, Gatundu South sub-county, Kiambu County Wankan Academy Secondary School Senior school · Girls · Boarding, Kiambu County
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 16 October 2026.
Other schools come from our older directory. Each school page shows its dates.