| Name | City | Grade range |
|---|---|---|
| Clearlake Sda Christian | Clearlake | elementary |
| Konocti Christian Academy | Lakeport | None |
| Konocti Private School | Lower Lake | K-12 |
| Legacy | Lakeport | K-12 |
| Middletown Adventist | Middletown | elementary |
| Middletown Christian School | Middletown | other |
| Westlake Seventh-Day Adventist | Lakeport | elementary |
| Zemorah Christian Academy | Clearlake | K-12 |