There are 318 students in the school. It is located in the geographic center of Mill Valley across from Boyle Park and the municipal tennis court. Tamalpais Valley School has 352 students. It is situated in the southernmost boundary of Mill Valley on eight acres. It is near the Golden Gate National Recreation Area which provides a natural setting for environmental studies by classroom teachers and students.
Instructional assistants work in most classrooms in the morning hours.
Mill Valley Middle School has 600 students. It is adjacent to the Bay Front Park and the Mill Valley Recreation Center. Each grade level is housed in a separate wing of the building. Its large library is the school's core. The Middle Valley Middle School offers an academic program that includes instrumental music, fine arts, foreign language and physical education taught by credentialed teachers.