Riamoni Sub Location School name Search All5Senior5 Nyakongo Secondary SchoolC2 · Boys · Boarding, North Masaba sub-county, Nyamira CountyOmoyo Mixed Secondary SchoolC3 · Girls · Boarding, North Masaba sub-county, Nyamira CountyRiakworo SecondaryC4 · Mixed · Day, North Masaba sub-county, Nyamira CountyRiamoni SecondaryC4 · Mixed · Day, North Masaba sub-county, Nyamira CountyRiooga SecondaryC4 · Mixed · Day, North Masaba sub-county, Nyamira County Historical KCSE rankings for Riamoni 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.