Deerfield Elementary School (Ranked Top 10% for 2025)

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Deerfield Elementary School

302 Central Avenue
Mountainside, NJ 07092

( shown in map)

10/

Top 10%

Serving 488 students in grades 3-8, Deerfield Elementary School ranks in the top 10% of all schools in New Jersey for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).

The percentage of students achieving is 72% (which is higher than the New Jersey state average of 36%). The percentage of students achieving is 81% (which is higher than the New Jersey state average of 49%).

The student:teacher ratio of 10:1 is lower than the New Jersey state level of 11:1.

Minority enrollment is 32% of the student body (majority Hispanic), which is lower than the New Jersey state average of 62% (majority Hispanic).

Quick Stats (2025)

Grades: 3-8
Enrollment: 488 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 32%
: Top 10% in NJ
: 72% (Top 10%)
: 81% (Top 10%)
: 40-44% (Top 20%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Top Rankings

Deerfield Elementary School ranks among the top 20% of public schools in New Jersey for:

School Overview

Deerfield Elementary School's student population of 488 students has grown by 99% over five school years.

The teacher population of 49 teachers has stayed relatively flat over five school years.

Awards

Blue Ribbon School - Selected in 2024

Grades Offered

Grades 3-8
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Deerfield Elementary School
3	92
4	72
5	78
6	85
7	82
8	79

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Total Students

488 students

View Data

Total Students Trends Over Years (1990-2023)
Year	Deerfield Elementary School
2023	467
2022	481
2021	461
2020	245
2019	245
2018	484
2017	484
2016	498
2015	515
2014	506
2013	522
2012	519
2011	535
2010	522
2009	499
2008	486
2007	482
2006	461
2005	705
2004	660
2003	663
2002	645
2001	647
2000	614
1999	574
1998	562
1996	515
1995	510
1994	499
1993	471
1992	510
1991	476
1990	464

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Gender %

Total Classroom Teachers

49 teachers

View Data

Total Classroom Teachers Trends Over Years (1991-2023)
Year	Deerfield Elementary School
2023	51
2022	48
2021	49
2020	47
2019	47
2018	45
2017	45
2016	45
2015	46
2014	19
2013	34
2011	33
2010	39
2009	48
2008	37
2007	46
2006	43
2005	38
2004	57
2003	53
2002	51
2001	45
2000	44
1999	46
1998	42
1996	40
1995	40
1994	41
1993	41
1992	36
1991	36

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School Rankings

Deerfield Elementary School ranks within the top 10% of all 2,201 schools in New Jersey (based off of combined math and reading proficiency testing data).

The of Deerfield Elementary School is 0.51, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.

This School

State Level (NJ)

#138 out of 2201 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2011-2022)
Year	Deerfield Elementary School
2022	#138
2021	#266
2019	#202
2018	#362
2017	#578
2016	#715
2015	#560
2014	#372
2013	#576
2012	#439
2011	#278

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72%

36%

View Data

Math Proficiency Comparison Over Years (2011-2022)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2022	72%	36%	72%
2021	49%	26%	49%
2019	73%	44%	73%
2018	69%	42%	69%
2017	62%	41%	62%
2016	55%	40%	55%
2015	53%	36%	53%
2014	93%	75%	93%
2013	87%	75%	86%
2012	92%	75%	92%
2011	92%	75%	92%

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81%

49%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2022	81%	49%	81%
2021	66%	47%	66%
2019	81%	57%	81%
2018	76%	55%	69%
2017	68%	53%	68%
2016	62%	50%	62%
2015	63%	47%	63%
2014	83%	69%	83%
2013	83%	69%	82%
2012	81%	69%	81%
2011	85%	69%	85%

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40-44%

23%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2022	42%	23%	42%
2021	32%	22%	32%

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Student : Teacher Ratio

10:1

11:1

View Data

Student-Teacher Ratio Comparison Over Years (1991-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	9:1	11:1	10:1
2022	10:1	11:1	11:1
2021	9:1	11:1	10:1
2020	5:1	12:1	3:1
2019	5:1	12:1	3:1
2018	11:1	12:1	12:1
2017	11:1	12:1	12:1
2016	11:1	12:1	12:1
2015	11:1	12:1	12:1
2014	27:1	12:1	14:1
2013	16:1	12:1	14:1
2011	16:1	15:1	16:1
2010	13:1	14:1	13:1
2009	10:1	12:1	11:1
2008	13:1	15:1	13:1
2007	10:1	13:1	12:1
2006	11:1	13:1	11:1
2005	19:1	13:1	13:1
2004	12:1	13:1	12:1
2003	13:1	14:1	13:1
2002	13:1	14:1	13:1
2001	14:1	15:1	14:1
2000	14:1	14:1	14:1
1999	12:1	15:1	12:1
1998	13:1	15:1	13:1
1996	13:1	15:1	13:1
1995	13:1	15:1	13:1
1994	12:1	15:1	12:1
1993	12:1	15:1	11:1
1992	14:1	15:1	14:1
1991	13:1	15:1	13:1

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American Indian

n/a

Asian

10%

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	8%	10%	10%
2022	7%	10%	8%
2021	7%	10%	7%
2020	6%	11%	6%
2019	6%	11%	6%
2018	7%	10%	8%
2017	7%	10%	8%
2016	6%	10%	7%
2015	6%	10%	7%
2014	5%	10%	6%
2013	6%	10%	5%
2012	5%	9%	7%
2011	3%	9%	3%
2010	6%	9%	6%
2009	7%	9%	5%
2008	7%	9%	6%
2007	7%	8%	6%
2006	7%	8%	7%
2005	6%	7%	6%
2004	5%	7%	5%
2003	6%	7%	6%
2002	5%	7%	5%
2001	4%	6%	4%
2000	3%	6%	3%
1999	4%	6%	4%
1998	3%	6%	3%
1996	3%	5%	3%
1995	4%	5%	4%
1994	4%	5%	4%
1993	3%	5%	3%
1992	2%	5%	2%

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Hispanic

14%

34%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	14%	33%	13%
2022	15%	32%	14%
2021	16%	31%	15%
2020	11%	29%	11%
2019	11%	29%	11%
2018	6%	27%	7%
2017	6%	27%	7%
2016	6%	26%	6%
2015	4%	25%	4%
2014	4%	24%	4%
2013	5%	23%	5%
2012	5%	23%	4%
2011	4%	22%	4%
2010	4%	21%	5%
2009	3%	20%	3%
2008	4%	19%	3%
2007	5%	19%	5%
2006	5%	18%	4%
2005	5%	18%	5%
2004	5%	17%	5%
2003	4%	17%	4%
2002	4%	16%	4%
2001	4%	15%	4%
2000	4%	15%	4%
1999	5%	14%	5%
1998	5%	14%	5%
1996	2%	14%	2%
1995	3%	13%	3%
1994	1%	13%	1%
1993	1%	13%	1%
1991	2%	12%	2%

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Black

15%

View Data

Black Student Percentage Comparison Over Years (1994-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	1%	15%	1%
2022	1%	15%	1%
2021	1%	15%	1%
2020	1%	15%	1%
2019	1%	15%	1%
2013	1%	16%	1%
2010	1%	17%	1%
2009	1%	17%	1%
2008	1%	17%	1%
2007	1%	17%	1%
2006	2%	18%	1%
2005	1%	18%	1%
2004	1%	18%	1%
2003	1%	18%	1%
1996	1%	19%	1%
1995	1%	19%	1%
1994	1%	19%	1%

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White

68%

38%

View Data

White Student Percentage Comparison Over Years (1992-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	68%	39%	69%
2022	67%	40%	70%
2021	66%	41%	69%
2020	75%	43%	75%
2019	75%	43%	75%
2018	86%	45%	84%
2017	86%	45%	84%
2016	87%	46%	85%
2015	89%	48%	88%
2014	90%	49%	89%
2013	88%	50%	88%
2012	90%	51%	88%
2011	92%	52%	92%
2010	89%	53%	88%
2009	89%	54%	91%
2008	88%	55%	90%
2007	87%	56%	88%
2006	86%	56%	88%
2005	88%	57%	88%
2004	89%	58%	89%
2003	89%	58%	89%
2002	91%	59%	91%
2001	92%	61%	92%
2000	93%	61%	93%
1999	91%	62%	91%
1998	92%	62%	92%
1996	94%	62%	94%
1995	92%	63%	92%
1994	94%	63%	94%
1993	96%	63%	96%
1992	97%	64%	97%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	9%	3%	7%
2022	10%	3%	7%
2021	10%	3%	8%
2020	7%	2%	7%
2019	7%	2%	7%
2018	1%	2%
2017	1%	2%
2016	1%	2%	1%
2015	1%	1%	1%
2014	1%	1%	1%
2011	1%	1%	1%

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All Ethnic Groups

0.51

0.72

View Data

Diversity Score Comparison Over Years (1992-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	0.51	0.71	0.49
2022	0.52	0.71	0.49
2021	0.53	0.71	0.50
2020	0.42	0.70	0.42
2019	0.42	0.70	0.42
2018	0.25	0.70	0.29
2017	0.25	0.70	0.29
2016	0.24	0.69	0.26
2015	0.20	0.68	0.22
2014	0.19	0.68	0.21
2013	0.23	0.67	0.23
2012	0.19	0.66	0.22
2011	0.15	0.65	0.15
2010	0.20	0.65	0.21
2009	0.21	0.64	0.18
2008	0.22	0.63	0.19
2007	0.23	0.62	0.21
2006	0.25	0.62	0.22
2005	0.22	0.61	0.22
2004	0.20	0.60	0.20
2003	0.20	0.60	0.20
2002	0.17	0.59	0.17
2001	0.15	0.58	0.15
2000	0.13	0.57	0.13
1999	0.17	0.57	0.17
1998	0.15	0.57	0.15
1996	0.12	0.56	0.12
1995	0.15	0.55	0.15
1994	0.12	0.55	0.12
1993	0.09	0.55	0.08
1992	0.06	0.54	0.06

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Participates in the

Yes

Eligible for

32%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2023	2%	31%	2%
2022	1%	30%	1%
2021	1%	32%	1%
2020	2%	33%	2%
2019	2%	33%	2%
2018	3%	33%	2%
2017	3%	33%	2%
2016	2%	33%	2%
2015	2%	31%	2%
2014	1%	32%	1%
2013	1%	31%	1%
2012	2%	29%	2%
2010	1%	26%	1%
2002	1%	22%	1%
1999	1%	24%	1%
1998	1%	24%	1%
1996	2%	24%	2%
1995	1%	24%	1%
1994	1%	24%	1%
1993	1%	23%	1%
1992	1%	21%	1%

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Eligible for (11-12)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2008-2012)
Year	Deerfield Elementary School	New Jersey	Mountainside School District
2012	1%	6%	1%
2009	1%	6%	1%
2008	1%	6%	1%

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School Statewide Testing

School District Name

Mountainside School District

Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Deerfield Elementary School's ranking?

Deerfield Elementary School is ranked #138 out of 2,201 schools, which ranks it among the top 10% of public schools in New Jersey.

What schools are Deerfield Elementary School often compared to?

Deerfield Elementary Schoolis often viewed alongside schools like Beechwood School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

72% of students have achieved math proficiency (compared to the 36% NJ state average), while 81% of students have achieved reading proficiency (compared to the 49% NJ state average).

How many students attend Deerfield Elementary School?

488 students attend Deerfield Elementary School.

What is the racial composition of the student body?

68% of Deerfield Elementary School students are White, 14% of students are Hispanic, 9% of students are Asian, 8% of students are Two or more races, and 1% of students are Black.

What is the student:teacher ratio of Deerfield Elementary School?

Deerfield Elementary School has a student ration of 10:1, which is lower than the New Jersey state average of 11:1.

What grades does Deerfield Elementary School offer ?

Deerfield Elementary School offers enrollment in grades 3-8 (No virtual instruction).

What school district is Deerfield Elementary School part of?

Deerfield Elementary School is part of Mountainside School District.

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Quick Stats (2025)

Grades: 3-8
Enrollment: 488 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 32%
: Top 10%
: 72% (Top 10%)
: 81% (Top 10%)
: 40-44% (Top 20%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education