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Deerfield Elementary School

Q: Is Deerfield Elementary School a good school?

Deerfield Elementary School ranks 92 nd of 752 New Jersey middle schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 3-8

92^nd

SchoolDigger Rank ?

of 752 New Jersey Middle Schools

Better than 88% of New Jersey middle schools

Summary

Deerfield Elementary School is a public middle school located in Mountainside, New Jersey, serving grades 3-8 with a total enrollment of 488 students. The school is part of the Mountainside School District, which is ranked 50 out of 609 districts in New Jersey and is rated 5 stars out of 5 by SchoolDigger.

Deerfield Elementary School consistently ranks among the top middle schools in New Jersey, with a statewide ranking between 34 and 92 over the past 10 years. The school's performance on NJSLA assessments is exceptional, with proficiency rates significantly higher than the state averages across all grade levels and subject areas. Deerfield Elementary School also excels in supporting the academic achievement of various student subgroups, ranking among the top 5-42 middle schools in New Jersey for female, male, Hispanic, and white students, as well as for special education students. Additionally, the school has maintained a low chronic absenteeism rate, ranging from 3.9% to 16.6% over the past few years, which is significantly lower than the state average.

Deerfield Elementary School's consistent academic excellence and commitment to equity and inclusion are impressive. The school's strong performance suggests effective teaching practices and a dedication to supporting the success of all students. While the school serves a relatively affluent student population, with a low percentage of free/reduced lunch recipients, its success is not solely dependent on socioeconomic factors. Nearby high-performing middle schools, such as Millburn Middle School and Terrill Middle School, may provide opportunities for Deerfield Elementary School to collaborate and share best practices, further enhancing educational outcomes for students in the region.

483

Students ?

10.7

Student/teacher ratio ?

$8,613

Per pupil spending ?

2.9%

Free/discounted lunch ?

302 Central Avenue
Mountainside, NJ 07092

(908) 232-8828

District: Mountainside School District

Feeder schools for Deerfield Elementary School:

Elementary:

Beechwood School

Racial breakdown:

White:

69.4%

Hispanic:

13.5%

Asian:

8.7%

See top rated New Jersey middle schools

Compare Deerfield Elementary School to nearby middle schools!

At a glance

▼ Ranking trend: Recently slipping — 95th percentile in 2019 → 88th in 2025

Strengths

✓Test scores above the New Jersey average (76% vs 46% meeting standards)

✓Ranks in the top 12% of New Jersey middle schools

✓Small classes — about 11 students per teacher

Worth a look

!Ranking has slipped from its 95th-percentile peak (2019) to 88th (2025)

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school76%

District avg76%

New Jersey avg46%

Elementary school

63^rd of 1,347

New Jersey public elementary schools ?

Top 5%▲ up 22 pts since 2015

From top 26% (2015) to top 5% (2025)

See the entire ranking list of New Jersey Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

92^nd of 752

New Jersey public middle schools ?

Top 12%▲ up 33 pts since 2015

From top 45% (2015) to top 12% (2025)

See the entire ranking list of New Jersey Middle Schools →

★★★★★

SchoolDigger rating ?

50^th of 609Mountainside School District among New Jersey districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Elementary school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	93.0	63 of 1347	95.3%	★★★★★
2024	90.1	110 of 1338	91.8%	★★★★★
2023	93.1	68 of 1342	94.9%	★★★★★
2022	89.8	124 of 1345	90.8%	★★★★★
2021	91.8	102 of 1317	92.3%	★★★★★
2019	85.1	174 of 1360	87.2%	★★★★☆
2018	81.5	238 of 1353	82.4%	★★★★☆
2017	72.2	425 of 1352	68.6%	★★★☆☆
2016	68.0	466 of 1346	65.4%	★★★☆☆
2015	75.0	357 of 1357	73.7%	★★★★☆
2014	81.0	217 of 1363	84.1%	★★★★☆
2013	80.6	226 of 1367	83.5%	★★★★☆
2012	78.8	254 of 1363	81.4%	★★★★☆
2011	82.3	149 of 1360	89.0%	★★★★☆
2010	82.5	141 of 1354	89.6%	★★★★☆
2009	85.3	88 of 1346	93.5%	★★★★★
2008	84.2	50 of 1338	96.3%	★★★★★
2007	82.5	61 of 1329	95.4%	★★★★★
2006	82.9	71 of 1314	94.6%	★★★★★
2005	82.5	99 of 1303	92.4%	★★★★★
2004	78.9	218 of 1298	83.2%	★★★★☆
2003	78.5	257 of 1204	78.7%	★★★★☆

Asian

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	70.5	102 of 330	69.1%	★★★☆☆
2024	80.3	41 of 340	87.9%	★★★★☆
2023	65.1	119 of 346	65.6%	★★★☆☆
2022	69.4	99 of 348	71.6%	★★★★☆
2021	49.2	178 of 339	47.5%	★★☆☆☆
2018	69.0	108 of 370	70.8%	★★★★☆

Female

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	91.8	68 of 1326	94.9%	★★★★★
2024	88.8	128 of 1317	90.3%	★★★★★
2023	92.6	61 of 1318	95.4%	★★★★★
2022	88.7	127 of 1326	90.4%	★★★★★
2021	93.5	49 of 1290	96.2%	★★★★★
2019	82.5	198 of 1331	85.1%	★★★★☆
2018	84.9	154 of 1333	88.4%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	98.5	18 of 1032	98.3%	★★★★★
2024	93.7	50 of 989	94.9%	★★★★★
2023	98.6	11 of 982	98.9%	★★★★★
2022	93.1	54 of 953	94.3%	★★★★★
2021	86.0	75 of 896	91.6%	★★★★★
2019	96.3	13 of 899	98.6%	★★★★★

Male

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	92.7	54 of 1318	95.9%	★★★★★
2024	90.0	98 of 1313	92.5%	★★★★★
2023	91.7	77 of 1315	94.1%	★★★★★
2022	89.4	123 of 1324	90.7%	★★★★★
2021	86.6	155 of 1297	88.0%	★★★★☆
2019	84.8	157 of 1335	88.2%	★★★★☆
2018	77.4	294 of 1334	78.0%	★★★★☆

Special Education

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	81.0	144 of 1023	85.9%	★★★★☆
2024	88.5	70 of 989	92.9%	★★★★★
2023	89.3	64 of 958	93.3%	★★★★★
2022	82.3	111 of 949	88.3%	★★★★☆
2019	75.5	183 of 1007	81.8%	★★★★☆
2018	60.7	332 of 1001	66.8%	★★★☆☆

White

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	88.0	65 of 970	93.3%	★★★★★
2024	82.4	117 of 963	87.9%	★★★★☆
2023	88.1	73 of 975	92.5%	★★★★★
2022	82.3	129 of 976	86.8%	★★★★☆
2021	82.1	111 of 964	88.5%	★★★★☆
2019	76.3	184 of 1023	82.0%	★★★★☆
2018	71.4	261 of 1022	74.5%	★★★★☆

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	83.9	92 of 752	87.8%	★★★★☆
2024	86.5	70 of 743	90.6%	★★★★★
2023	90.4	42 of 748	94.4%	★★★★★
2022	88.7	50 of 745	93.3%	★★★★★
2021	92.7	34 of 652	94.8%	★★★★★
2019	88.8	34 of 745	95.4%	★★★★★
2018	86.7	54 of 716	92.5%	★★★★★
2017	73.0	183 of 712	74.3%	★★★★☆
2016	54.4	321 of 713	55.0%	★★★☆☆
2015	53.9	319 of 713	55.3%	★★★☆☆
2014	85.6	59 of 717	91.8%	★★★★★
2013	78.9	145 of 704	79.4%	★★★★☆
2012	83.4	90 of 677	86.7%	★★★★☆
2011	85.3	54 of 684	92.1%	★★★★★
2010	87.4	28 of 677	95.9%	★★★★★
2009	86.4	40 of 664	94.0%	★★★★★
2008	87.3	22 of 640	96.6%	★★★★★
2007	81.4	83 of 631	86.8%	★★★★☆
2006	88.2	13 of 615	97.9%	★★★★★
2005	81.5	96 of 599	84.0%	★★★★☆
2004	79.2	135 of 588	77.0%	★★★★☆
2003	83.6	78 of 574	86.4%	★★★★☆

Female

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	93.6	21 of 728	97.1%	★★★★★
2024	90.9	42 of 717	94.1%	★★★★★
2023	95.8	12 of 720	98.3%	★★★★★
2022	95.4	17 of 726	97.7%	★★★★★
2021	95.1	16 of 625	97.4%	★★★★★
2019	85.6	76 of 703	89.2%	★★★★☆
2018	85.5	78 of 680	88.5%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2024	99.2	5 of 589	99.2%	★★★★★
2023	96.0	9 of 587	98.5%	★★★★★
2022	97.4	9 of 591	98.5%	★★★★★
2021	83.5	40 of 480	91.7%	★★★★★

Male

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	92.6	40 of 726	94.5%	★★★★★
2024	94.3	29 of 719	96.0%	★★★★★
2023	94.1	21 of 718	97.1%	★★★★★
2022	97.1	11 of 730	98.5%	★★★★★
2021	87.2	64 of 635	89.9%	★★★★★
2019	89.6	57 of 697	91.8%	★★★★★
2018	88.0	62 of 675	90.8%	★★★★★

Special Education

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	94.3	12 of 507	97.6%	★★★★★
2024	94.4	10 of 510	98.0%	★★★★★
2023	97.6	4 of 505	99.2%	★★★★★
2019	66.2	114 of 492	76.8%	★★★★☆
2018	79.2	54 of 471	88.5%	★★★★☆

White

Year	Avg score	Statewide rank	New Jersey percentile	Rating
2025	86.4	34 of 502	93.2%	★★★★★
2024	86.5	35 of 510	93.1%	★★★★★
2023	92.5	17 of 509	96.7%	★★★★★
2022	93.8	20 of 512	96.1%	★★★★★
2021	86.9	35 of 435	92.0%	★★★★★
2019	82.6	52 of 504	89.7%	★★★★☆
2018	80.3	67 of 497	86.5%	★★★★☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Elementary school

Hispanic (2025)98th percentile+3 vs school

Male (2025)96th percentile~ school

Female (2025)95th percentile~ school

White (2025)93rd percentile~ school

Special Education (2025)86th percentile-9 vs school

Asian (2025)69th percentile-26 vs school

Middle school

Hispanic (2024)99th percentile+9 vs school

Special Education (2025)98th percentile+10 vs school

Female (2025)97th percentile+9 vs school

Male (2025)94th percentile+7 vs school

White (2025)93rd percentile+5 vs school

By subject vs New Jersey (2024-2025) ?

Geometry100%+39 vs state

English Language Arts82%+28 vs state

Mathematics82%+38 vs state

Algebra I62%+15 vs state

Science50%+26 vs state

★

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Schools Near Deerfield Elementary School

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NJSLA-S Science (2025)		NJSLA English Language Arts (2025)						NJSLA Mathematics (2025)						NJSLA Algebra I (2025)			NJSLA Geometry (2025)		Per Pupil Expenditures (2019)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	NJSLA-S Science 5th Grade	NJSLA-S Science 8th Grade	NJSLA English Language Arts 3rd Grade	NJSLA English Language Arts 4th Grade	NJSLA English Language Arts 5th Grade	NJSLA English Language Arts 6th Grade	NJSLA English Language Arts 7th Grade	NJSLA English Language Arts 8th Grade	NJSLA Mathematics 3rd Grade	NJSLA Mathematics 4th Grade	NJSLA Mathematics 5th Grade	NJSLA Mathematics 6th Grade	NJSLA Mathematics 7th Grade	NJSLA Mathematics 8th Grade	NJSLA Algebra I 7th Grade	NJSLA Algebra I 8th Grade	NJSLA Algebra I End of Course	NJSLA Geometry 8th Grade	NJSLA Geometry End of Course	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Deerfield Elementary School	Public	3-8	302 Central Avenue	Mountainside	07092	Union County	Mountainside School District	No	(n/a)	No	Yes	(908) 232-8828	483	45	10.7	2.9%	335 (69.4%)	4 (0.8%)	65 (13.5%)	42 (8.7%)	1 (0.2%)	1 (0.2%)	35 (7.2%)	83.9	92^nd of 752 public middle schools	87.8%		86.5	70^th of 743 public middle schools	90.6%	22	57.9	42.6	71.4	82.8	80.3	89.7	85.7	81.3	84.5	83.8	81.6	79.4	77.3		100.0	51.6	62.5	100.0	100.0	$8,613	$168	$8,445
Roosevelt Intermediate School	Public	6-8	301 Clark Street	Westfield	07090	Union County	Westfield Public School District	No	(n/a)	No	No	(908) 789-4560	638	62	10.2	0.9%	509 (79.8%)	8 (1.3%)	46 (7.2%)	44 (6.9%)	0 (0.0%)	1 (0.2%)	30 (4.7%)	83.9	93^rd of 752 public middle schools	87.6%		89.2	48^th of 743 public middle schools	93.5%	45		31.2				77.1	70.3	78.0				70.6	75.9	31.7		90.1	90.1			$7,490	$17	$7,473
Florence M. Gaudineer Middle School	Public	6-8	75 South Springfield Ave.	Springfield	07081	Union County	Springfield Public School District	No	(n/a)	No	Yes	(973) 376-1025	474	39	12.1	17.9%	254 (53.6%)	71 (15.0%)	87 (18.4%)	34 (7.2%)	1 (0.2%)	5 (1.1%)	22 (4.6%)	67.3	221^st of 752 public middle schools	70.6%		63.7	245^th of 743 public middle schools	67.0%	24		25.3				72.1	68.7	65.3				56.5	49.7	8.8	100.0	68.7	74.3	100.0	100.0	$12,020	$171	$11,849
Lawton C. Johnson Summit Middle School	Public	6-8	272 Morris Ave	Summit	07901	Union County	Summit Public School District	No	(n/a)	No	Yes	(908) 273-1190	871	89	9.7	15.5%	497 (57.1%)	36 (4.1%)	178 (20.4%)	106 (12.2%)	0 (0.0%)	0 (0.0%)	54 (6.2%)	90	46^th of 752 public middle schools	93.9%		91.9	30^th of 743 public middle schools	96.0%	16		42.1				81.7	83.2	81.4				75.8	70.4	37.4		98.3	98.4			$6,058	$44	$6,014
Orange Avenue School	Public	3-8	901 Orange Avenue	Cranford	07016	Union County	Cranford Public School District	No	(n/a)	No	No	(908) 709-6257	750	64	11.6	0.8%	584 (77.9%)	20 (2.7%)	85 (11.3%)	28 (3.7%)	0 (0.0%)	0 (0.0%)	33 (4.4%)	88.3	59^th of 752 public middle schools	92.2%		89.8	43^rd of 743 public middle schools	94.2%	16	57.4	49.1	76.2	72.6	77.0	84.3	85.3	80.1	83.1	61.3	63.2	81.8	71.2	24.5		82.2	82.2			$7,540		$7,540
Thomas Edison Intermediate School	Public	6-8	800 Rahway Avenue	Westfield	07090	Union County	Westfield Public School District	No	(n/a)	No	No	(908) 789-4470	800	74	10.7	2.6%	550 (68.8%)	24 (3.0%)	63 (7.9%)	122 (15.3%)	2 (0.3%)	1 (0.1%)	38 (4.8%)	86	75^th of 752 public middle schools	90.0%		84.2	86^th of 743 public middle schools	88.4%	11		39.6				73.9	71.4	80.1				74.7	70.3	38.3	100.0	94.7	95.4	100.0	100.0	$7,471	$21	$7,450
Washington School	Public	5	71 Spring Street	Millburn	07041	Essex County	Millburn Township School District	No	(n/a)	No	Yes	(973) 218-7500	363	34	10.5	2.2%	119 (32.8%)	7 (1.9%)	16 (4.4%)	192 (52.9%)	1 (0.3%)	0 (0.0%)	28 (7.7%)								(n/a)	75.9				87.8						87.4									$13,097	$428	$12,669
New Providence Middle School	Public	7-8	35 Pioneer Drive	New Providence	07974	Union County	New Providence School District	No	(n/a)	No	No	(908) 464-9161	396	37	10.7	2.0%	219 (55.3%)	4 (1.0%)	55 (13.9%)	104 (26.3%)	0 (0.0%)	0 (0.0%)	14 (3.5%)	92.6	22^nd of 752 public middle schools	97.1%		91	36^th of 743 public middle schools	95.2%	14		54.1					88.2	86.2					74.1	53.8		94.8	95.4	100.0	100.0	$9,397	$396	$9,001
Malcolm E Nettingham Middle School	Public	5-8	580 Park Avenue	Scotch Plains	07076	Union County	Scotch Plains-Fanwood School District	No	(n/a)	No	Yes	(908) 322-4445	913	84	10.9	7.8%	477 (52.2%)	79 (8.7%)	188 (20.6%)	116 (12.7%)	4 (0.4%)	2 (0.2%)	47 (5.1%)	70.1	198^th of 752 public middle schools	73.7%		74.1	167^th of 743 public middle schools	77.5%	31	44.0	24.4			68.7	75.8	76.5	70.6			61.6	47.4	65.0	0.0		56.9	56.9			$8,253	$52	$8,201
Millburn Middle School	Public	6-8	25 Old Short Hills Rd	Millburn	07041	Essex County	Millburn Township School District	No	(n/a)	No	Yes	(973) 379-2600	1,106	105	10.5	2.4%	365 (33.0%)	31 (2.8%)	64 (5.8%)	550 (49.7%)	2 (0.2%)	0 (0.0%)	94 (8.5%)	93.7	18^th of 752 public middle schools	97.6%		93.1	20^th of 743 public middle schools	97.3%	2		62.0				88.2	86.4	85.9				86.5	84.3	40.9		96.9	96.9			$14,838	$34	$14,804

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Deerfield Elementary School

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White

All Students

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Hispanic

Male

Special Education

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Schools Near Deerfield Elementary School

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