Rankings · New Jersey
Largest schools in Mountainside, New Jersey
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Deerfield Elementary School | Mountainside | Mountainside School District | 461 |
| 2 | Beechwood School | Mountainside | Mountainside School District | 256 |