The Mill Valley School District is comprised of five elementary schools (Edna Maguire, Old Mill School, Park School, Strawberry Point School and Tam Valley School) and one middle school (Mill Valley Middle School), with a total enrollment of approximately 2,700 students. Superintendent Paul Johnson oversees the district's operations.

The district is governed by a five-member board of trustees. The trustees are Robin B. Moses, Steven J. Sell, Raoul Wertz, Leslie Wachtel and Bob Jacobs. The board meets twice a month at the district office.