Owimbi School Zone School name Search School type All8Primary0Senior8 Chianda High SchoolC2 · Boys · Boarding, Rarieda sub-county, Siaya CountyGagra Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountyMasala Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountyNyamasore Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountyOkela Mixed Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountyRachar Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountyRamogi Achieng' Oneko Secondary SchoolC4 · Mixed · Day, Rarieda sub-county, Siaya CountySt. Silvester Girls Secondary SchoolC3 · Girls · Boarding, Rarieda sub-county, Siaya County Historical KCSE rankings for Owimbi 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.