| School Name | Sub-County | School Level | |
|---|---|---|---|
| 1 | Boystown Secondary School | Garissa | Secondary |
| 2 | County High Secondary School | Garissa | Secondary |
| 3 | Garissa High Secondary School | Garissa | Secondary |
| 4 | Iftin Girls Secondary School | Garissa | Secondary |
| 5 | Nep Girls Secondary School | Garissa | Secondary |
| 6 | Sambul Boys High School | Garissa | Secondary |
| 7 | Tetu Secondary School | Garissa | Secondary |
| 8 | Tumaini Boys Secondary School | Garissa | Secondary |
| 9 | Umusalama Girls Secondary School | Garissa | Secondary |
| 10 | Yathrib Girls Secondary School | Garissa | Secondary |
| Primary Schools in Garissa Sub County |
| List of Public Primary Schools in Garissa |
| List of Private Primary Schools in Garissa |
| Junior Secondary Schools (JSS) in Garissa Sub County |
| List of Public JSS Schools in Garissa |
| List of Private JSS Schools in Garissa |
| High Schools in Garissa Sub County |
| List of Public High Schools in Garissa |
| List of Private High Schools in Garissa |