| District Name | Middletown Unified School District |
| State | California |
| County | Lake County |
| Statistical Area | Clearlake, CA |
| Total Students (2021) | 1389 |
| District Growth Rate (2017-21) | -17.2% |
| Majority Race/Ethnicty | White (64.0%) |
| Free/Reduced Lunch Program | 52.99% |