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Union County New Jersey Real Estate and Property Listings for Sale

Deerfield Elementary School

Public School

Level: 2

Grades: 03 - 08

Address: 302 Central Avenue, Mountainside, NJ 07092

Phone: (908) 232-8828

Website: "http://www.mountainsideschools.org"

District: Mountainside School District

483
Total Students
#42
of 748 in 2025

Academic Performance

EZ Schoolz Rating
77
out of 100
State Ranking
Ranked 42 of 748 (2025)
Among schools at the same level in the state

Ratings By Source

5/10
Source 1

Test Scores

NJSLA

Algebra I • Grade End of course • 2023

Percent of Students Meeting Standard 76.6%

Student Body

Total Students
483
Diversity
Moderate
Simpson index 49/100
Free / Reduced Lunch
2.9%
of student body

Race & Ethnicity

  • White 69.4% (335)
  • Hispanic / Latino 13.5% (65)
  • Asian 8.7% (42)
  • Two or More Races 7.2% (35)
  • Black 0.8% (4)
  • American Indian / Alaska Native 0.2% (1)
  • Native Hawaiian / Pacific Islander 0.2% (1)

Spending & Resources

Student-Teacher Ratio
10.7:1
students per teacher

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