| School Name | Sub-County | Sponsorship | |
|---|---|---|---|
| 51 | St. Kizito Junior Secondary School | Isiolo Sub County | Public |
| 52 | The High Vision Junior Secondary School | Isiolo Sub County | Private |
| 53 | Tuale Junior Secondary School | Isiolo Sub County | Public |
| 54 | Tumaini Senior Junior Secondary School | Isiolo Sub County | Private |
| 55 | Uhuru Junior Secondary School | Isiolo Sub County | Public |
| 56 | Upper Hill Junior Secondary School | Isiolo Sub County | Private |
| 57 | Wabera Junior Secondary School | Isiolo Sub County | Public |
| 58 | Wamy Junior Secondary School | Isiolo Sub County | Private |
| 59 | Waso Junior Secondary School | Isiolo Sub County | Public |
| Primary Schools in Isiolo Sub County |
| List of Public Primary Schools in Isiolo |
| List of Private Primary Schools in Isiolo |
| Junior Secondary Schools (JSS) in Isiolo Sub County |
| List of Public JSS Schools in Isiolo |
| List of Private JSS Schools in Isiolo |
| High Schools in Isiolo Sub County |
| List of Public High Schools in Isiolo |
| List of Private High Schools in Isiolo |