Public • Grades 3-8519 students • 9 student/teacher
Public • Grades PK-2290 students • 10 student/teacher
Private • Grades PK-154 students • 5 student/teacher
Mountainside contains 3 schools. One of the highest rated schools is Deerfield Elementary School, which is rated 9. It has 519 students. Public schools in Mountainside belong to Mountainside School District. Springfield School District is close and rates worse than Mountainside School District. Nearby Garwood Boro is worse, with a rating of 5. The population of Mountainside is 6,981. Mountainside School District enrolls 12% of the population of Mountainside.