| District Name | Lake Mills Area School District |
| State | Wisconsin |
| County | Jefferson County |
| Statistical Area | Watertown-Fort Atkinson, WI |
| Total Students (2021) | 1576 |
| District Growth Rate (2017-21) | 3.9% |
| Majority Race/Ethnicty | White (84.4%) |
| Free/Reduced Lunch Program | 28.87% |