Deerfield Elementary School
Public
Middle Grades 3–8
Part of Mountainside School District
302 CENTRAL AVENUE, MOUNTAINSIDE, NJ 07092 · (908) 232-8828
Community ratings
Not rated yetBe the first neighbor to rate this school — an overall score plus Teachers, Communication, Safety and Activities.
Academic performance
Math proficiency49%
State average 25.4%
Reading / language arts66%
State average 47.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
483Students enrolled
11:1Student–teacher ratio
3%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 376
Grade 492
Grade 574
Grade 677
Grade 783
Grade 881
Students
White · 69%335
Hispanic · 13%65
Asian · 9%42
Two or more races · 7%35
Black · 1%4
American Indian/Alaska Native · 0%1
Native Hawaiian/Pacific Islander · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
461’20
481’21
467’22
488’23
483’24
Location
302 CENTRAL AVENUE MOUNTAINSIDE
Neighbor reviews
Sign in to rate this school.
School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.