| Kelseyville High | 0.1 |
Regular School | 9-12 | 22.8 | - |
| Ed Donaldson Education Center | 0.5 |
Other/Alternative School | 9-12 | 14.0 | -257% |
| Lake County Rop | 6.1 |
Vocational School | 9-12 | - | - |
| Riviera High | 6.5 |
Regular School | 9-12 | 2.5 | - |
| Natural High (continuation) | 7.3 |
Other/Alternative School | 9-12 | 24.5 | -51% |
| Clear Lake High | 7.6 |
Regular School | 9-12 | 22.1 | -3% |
| Intermountain High | 10.8 |
Regular School | 9-12 | 2.0 | - |
| Lloyd Hance Community | 11.5 |
Other/Alternative School | 7-12 | 18.0 | - |
| Clearlake Community | 11.6 |
Other/Alternative School | 7-12 | 10.0 | -81% |
| Highlands High | 12.0 |
Other/Alternative School | 9-12 | - | - |
| Carle (william C.) High (continuation) | 12.7 |
Other/Alternative School | 9-12 | 21.2 | -16% |
| Lower Lake High | 12.7 |
Regular School | 9-12 | 18.8 | - |
| Clover Valley High (continuation) | 13.6 |
Other/Alternative School | 9-12 | 44.0 | -81% |
| Upper Lake High | 13.7 |
Regular School | 9-12 | 21.9 | -5% |
| Upper Lake Community Day | 13.7 |
Other/Alternative School | 9-12 | 6.0 | -600% |
| Cloverdale High | 15.4 |
Regular School | 9-12 | 22.3 | -4% |
| Johanna Echols-hansen High (continuation) | 15.4 |
Other/Alternative School | 9-12 | 27.0 | -66% |
| Buena Vista High | 18.0 |
Other/Alternative School | 9-12 | 6.0 | - |
| Geyserville Educational Park High | 18.0 |
Regular School | 9-12 | 10.6 | 95% |
| Loconoma Valley High | 19.1 |
Other/Alternative School | 9-12 | 38.0 | -94% |
| Middletown Community Day | 19.1 |
Other/Alternative School | 7-12 | 56.0 | -128% |
| Middletown High | 19.2 |
Regular School | 9-12 | 18.8 | - |
| Mendocino County Community | 20.8 |
Other/Alternative School | 7-12 | 12.0 | 85% |
| Mendocino County Rop | 20.9 |
Vocational School | 9-12 | - | - |
| South Valley High (continuation) | 23.5 |
Other/Alternative School | 9-12 | 21.5 | -10% |
| Redwood Academy Of Ukiah | 24.2 |
Regular School | 7-12 | 18.5 | 43% |
| Marce Becerra Academy | 24.5 |
Other/Alternative School | 9-12 | 16.8 | -48% |
| Healdsburg High | 24.5 |
Regular School | 9-12 | 23.9 | - |
| Ukiah High | 24.7 |
Regular School | 9-12 | 24.1 | - |
