| Name | City | Grade range |
|---|---|---|
| Blue Heron | Lower Lake | opportunity |
| Burns Valley | Clearlake | elementary |
| Carle (William C.) High (Continuation) | Lower Lake | continuation |
| Clear Lake High | Lakeport | high |
| Clearlake Community | Clearlake | county community |
| Clover Valley High (Continuation) | Upper Lake | continuation |
| Cobb Mountain Elementary | Middletown | elementary |
| Coyote Valley Elementary | Middletown | elementary |
| East Lake | Clearlake Oaks | elementary |
| Ed Donaldson Education Center | Kelseyville | continuation |
| Highlands Academy | Clearlake | community day |
| Highlands High | Clearlake | continuation |
| Intermountain High | Cobb | high |
| Kelseyville Community Day | Kelseyville | community day |
| Kelseyville Elementary | Kelseyville | elementary |
| Kelseyville Elementary Community Day | Kelseyville | community day |
| Kelseyville High | Kelseyville | high |
| Konocti Adult | Lower Lake | adult education |
| Konocti Preschool | Lower Lake | preschool |
| Lake County Elementary Community Day | Clearlake | community day |
| Lake County Middle School Community Day | Clearlake | community day |
| Lake County Rop | Lakeport | occupational |
| Lakeport Alternative (Home School) | Lakeport | alternative |
| Lakeport Community Day | Lakeport | community day |
| Lakeport Elementary | Lakeport | elementary |
| Lloyd Hance Community | Clearlake | county community |
| Loconoma Valley High | Middletown | continuation |
| Lower Lake Elementary | Lower Lake | elementary |
| Lower Lake High | Lower Lake | high |
| Lucerne Elementary | Lucerne | elementary |
| Middletown Adult Education | Middletown | adult education |
| Middletown Community Day | Middletown | community day |
| Middletown Elementary Community Day | Middletown | community day |
| Middletown High | Middletown | high |
| Middletown Middle | Middletown | middle |
| Minnie Cannon Elementary | Middletown | elementary |
| Mountain Vista Middle | Kelseyville | middle |
| Natural High (Continuation) | Lakeport | continuation |
| Pomo | Clearlake | elementary |
| Renaissance Court | Lakeport | juvenile hall |
| Richard H. Lewis Alternative | Lower Lake | alternative |
| Riviera Elementary | Kelseyville | elementary |
| Riviera High | Kelseyville | high |
| Terrace | Lakeport | middle |
| The Grove | Upper Lake | community day |
| Upper Lake Adult Education | Upper Lake | adult education |
| Upper Lake Community Day | Upper Lake | community day |
| Upper Lake Elementary | Upper Lake | elementary |
| Upper Lake High | Upper Lake | high |
| Upper Lake Middle | Upper Lake | middle |