publicmiddleGrade 3-8

Deerfield Elementary School

302 Central Avenue, Mountainside, NJ 07092, United States

+1 (908) 232-8828

http://www.mountainsideschools.org

7.7

Overall Rating

Location

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Deerfield Elementary School Overview

About This School

Deerfield Elementary School is a public middle in Mountainside, New Jersey, serving 483 students in grades Grade 3-8. Academic results show that students demonstrate proficiency with 81% in ELA and 72% in math. The school maintains a 10:1 student-teacher ratio with 45 teachers on staff, while the average teacher salary is $68,608. One counselor is available to support the student body. The student population is 51% male and 49% female. Regarding ethnicity, the school is 69% White, 13% Hispanic, 9% Asian, 7% Two or More Races, and 1% Black.

483

Total Students

Grade 3-8

10:1

Student-Teacher Ratio

45 full-time teachers

Academic Performance

Percentage of students who met or exceeded state standards

English Language Arts81%

Mathematics72%

Science0%

School Information

School Type

public

Grade Levels

Grade 3-8

County

Union County

Students per Counselor

483:1

Deerfield Elementary School Academics & Test Scores

Test Scores

State assessment results showing percentage of students proficient or above

81%

English Language Arts

City Avg: 81%State Avg: 50%

72%

Mathematics

City Avg: 72%State Avg: 38%

N/A

Science

Class Information

10:1

Student-Teacher Ratio

City Avg: 11.5:1

State Avg: 11.2:1

483

Students per Counselor

Deerfield Elementary School Teachers & Staff

Teaching Staff

Total Full-Time Teachers

Average Teacher Salary

$68,608

City Avg: $68,608

State Avg: $83,715

Based on state average salaries for full-time teachers

Support Staff

Student-Teacher Ratio10:1

Students per Counselor483:1

Deerfield Elementary School Student Demographics

Student Body

50.93%

Male

49.07%

Female

Total Enrollment: 483 students

Racial & Ethnic Diversity

White69.36%

Hispanic13.46%

Asian8.7%

Black0.83%

Two or More Races7.25%

Native American0.21%

Deerfield Elementary School Reviews

Frequently Asked Questions About Deerfield Elementary School

Q: What is Deerfield Elementary School?

A: Deerfield Elementary School is a middle public located in Mountainside.

Q: How many students attend Deerfield Elementary School?

A: Deerfield Elementary School has approximately 483 students enrolled.

Q: What is the student-teacher ratio at Deerfield Elementary School?

A: The student-teacher ratio at Deerfield Elementary School is 10:1.

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Detailed Information about Deerfield Elementary School

Data sourced from NCES, CCD, and state education agencies. Last verified: May 2026. See methodology →

Schoolary Research Team

Verified with NCES & state education agency data

About Deerfield Elementary School - Mountainside, NJ

Quick Facts about Deerfield Elementary School
School Name	Deerfield Elementary School
School Type	public
Grade Levels	Grade 3-8
Location	302 Central Avenue, Mountainside, NJ 07092, Mountainside, NJ
County	Union County
Phone	+1 (908) 232-8828
Total Students	483
Student-Teacher Ratio	10:1
Full-Time Teachers	45
Rating	7.7/10
ELA Proficiency	81%
Math Proficiency	72%
Science Proficiency	%

Frequently Asked Questions about Deerfield Elementary School

What is Deerfield Elementary School?

Deerfield Elementary School is a middle public located in Mountainside.

How many students attend Deerfield Elementary School?

Deerfield Elementary School has approximately 483 students enrolled.

What is the student-teacher ratio at Deerfield Elementary School?

The student-teacher ratio at Deerfield Elementary School is 10:1.

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