Mill Hill School, built in 1955, is one of the town's 11 public elementary schools and is also among the town's public elementary schools with the highest number of students.
Mill Hill's 478 students (March 2010 figure) attend classes in 20 permanent classrooms and five portable classrooms. The school's bricks-and-mortar capacity is 378 students.
Mill Hill's enrollment was projected on Nov. 30, 2009 to peak at 485 students in 2010-11 and to drop to 460 students in 2014-15.
Students who graduate from Mill Hill School attend Tomlinson Middle School.
Mill Hill School's principal is Kevin Chase.