| School Name | Sub-County | School Level | |
|---|---|---|---|
| 1 | Gileo Academy Secondary School | Kisii South | Secondary |
| 2 | Gusii Highlights High | Kisii Central | Secondary |
| 3 | Mosocho Secondary School | Kitutu Central | Secondary |
| 4 | Nyanchwa Adventist Secondary School | Kisii Central | Secondary |
| 5 | Royal Mixed Secondary School | Kisii Central | Secondary |
| 6 | Sr Michaela Girls Secondary School | Kitutu Central | Secondary |
| 7 | St Agnes Nyagwekoa | Kisii South | Secondary |
| 8 | St. Cecilia Community | Kisii South | Secondary |
| 9 | St. Dans Nyabare | Kisii South | Secondary |
| 10 | Star Junior Academy | Kisii Central | Secondary |
| Primary Schools in Kisii County |
| List of Public Primary Schools in Kisii |
| List of Private Primary Schools in Kisii |
| Junior Secondary Schools (JSS) in Kisii County |
| List of Public JSS Schools in Kisii |
| List of Private JSS Schools in Kisii |
| High Schools in Kisii County |
| List of Public High Schools in Kisii |
| List of Private High Schools in Kisii |