East School Zone
- Isiolo Boys Secondary SchoolC2 · Boys · Boarding, Isiolo sub-county, Isiolo County
- Isiolo Girls Secondary SchoolC1 · Girls · Boarding, Isiolo sub-county, Isiolo County
- Isiolo St. Mary's Secondary SchoolSenior school · Girls · Boarding, Isiolo County
- St. Pauls Kiwanjani Secondary SchoolC4 · Mixed · Day, Isiolo sub-county, Isiolo 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.