| Clearlake Community | 0.1 |
Other/Alternative School | 7-12 | 10.0 | -81% |
| Highlands High | 0.5 |
Other/Alternative School | 9-12 | - | - |
| Carle (william C.) High (continuation) | 1.5 |
Other/Alternative School | 9-12 | 21.2 | -16% |
| Lower Lake High | 1.5 |
Regular School | 9-12 | 18.8 | - |
| Riviera High | 5.0 |
Regular School | 9-12 | 2.5 | - |
| Intermountain High | 9.2 |
Regular School | 9-12 | 2.0 | - |
| Kelseyville High | 11.4 |
Regular School | 9-12 | 22.8 | - |
| Kelseyville Community Day | 11.5 |
Other/Alternative School | 7-12 | 20.0 | -360% |
| Ed Donaldson Education Center | 12.0 |
Other/Alternative School | 9-12 | 14.0 | -257% |
| Middletown Community Day | 12.2 |
Other/Alternative School | 7-12 | 56.0 | -128% |
| Loconoma Valley High | 12.2 |
Other/Alternative School | 9-12 | 38.0 | -94% |
| Middletown High | 12.3 |
Regular School | 9-12 | 18.8 | - |
| Lake County Rop | 17.2 |
Vocational School | 9-12 | - | - |
| Natural High (continuation) | 17.8 |
Other/Alternative School | 9-12 | 24.5 | -51% |
| Clear Lake High | 18.1 |
Regular School | 9-12 | 22.1 | -3% |
| Buena Vista High | 20.5 |
Other/Alternative School | 9-12 | 6.0 | - |
| Geyserville Educational Park High | 20.5 |
Regular School | 9-12 | 10.6 | 95% |
| Clover Valley High (continuation) | 21.9 |
Other/Alternative School | 9-12 | 44.0 | -81% |
| Upper Lake High | 21.9 |
Regular School | 9-12 | 21.9 | -5% |
| Upper Lake Community Day | 22.0 |
Other/Alternative School | 9-12 | 6.0 | -600% |
| Johanna Echols-hansen High (continuation) | 23.0 |
Other/Alternative School | 9-12 | 27.0 | -66% |
| Cloverdale High | 23.1 |
Regular School | 9-12 | 22.3 | -4% |
| Calistoga Junior-senior High | 24.3 |
Regular School | 7-12 | 17.9 | - |
| Palisades High (continuation) | 24.3 |
Other/Alternative School | 9-12 | - | -300% |
