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Best Public Elementary Schools in Warren County (2026)
Public School Review - Established 2003

Best Warren County Public Elementary Schools (2026)

For the 2026 school year, there are 31 public elementary schools serving 9,772 students in Warren County, NJ.
The top-ranked public elementary schools in Warren County, NJ are Stewartsville Middle School, Willow Grove Elementary School and Lopatcong Township Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Warren County, NJ public elementary schools have an average math proficiency score of 36% (versus the New Jersey public elementary school average of 39%), and reading proficiency score of 43% (versus the 49% statewide average). Elementary schools in Warren County have an average ranking of 4/10, which is in the bottom 50% of New Jersey public elementary schools.
Minority enrollment is 40% of the student body (majority Hispanic), which is less than the New Jersey public elementary school average of 64% (majority Hispanic).

Best Public Elementary Schools in Warren County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stewartsville Middle School
(Math: 47% | Reading: 68%)
Rank:
8/
10
Top 30%
642 South Main Street
Stewartsville, NJ 08886
(908) 859-2023
Gr: 6-8 | 210 students Student-teacher ratio: 8:1 Minority enrollment: 37%
Rank: #22.
Willow Grove Elementary School
(Math: 56% | Reading: 57%)
Rank:
7/
10
Top 50%
601 Willow Grove Street
Hackettstown, NJ 07840
(908) 852-2805
Gr: 2-4 | 320 students Student-teacher ratio: 9:1 Minority enrollment: 58%
Rank: #33.
Lopatcong Township Middle School
(Math: 51% | Reading: 56%)
Rank:
7/
10
Top 50%
321 Stonehenge Drive
Phillipsburg, NJ 08865
(908) 213-2995
Gr: 5-8 | 335 students Student-teacher ratio: 12:1 Minority enrollment: 48%
Rank: #44.
Central Elementary School
(Math: 55-59% | Reading: 45-49%)
Rank:
7/
10
Top 50%
281 Route 46
Great Meadows, NJ 07838
(908) 637-4041
Gr: PK-3 | 349 students Student-teacher ratio: 12:1 Minority enrollment: 24%
Rank: #5 - 65. - 6.
Brass Castle School
(Math: 45-49% | Reading: 50-54%)
Rank:
7/
10
Top 50%
16 Castle Street
Washington, NJ 07882
(908) 689-1188
Gr: 4-6 | 261 students Student-teacher ratio: 10:1 Minority enrollment: 25%
Rank: #5 - 65. - 6.
White Township Consolidated School
(Math: 45-49% | Reading: 50-54%)
Rank:
7/
10
Top 50%
565 Cr 519
Belvidere, NJ 07823
(908) 475-4773
Gr: PK-8 | 274 students Student-teacher ratio: 8:1 Minority enrollment: 15%
Rank: #77.
Hatchery Hill Elementary School
(Math: 55-59% | Reading: 55-59% )
Rank:
6/
10
Top 50%
398 5th Avenue
Hackettstown, NJ 07840
(908) 852-8550
Gr: PK-1 | 283 students Student-teacher ratio: 9:1 Minority enrollment: 60%
Rank: #88.
Hackettstown Middle School
(Math: 37% | Reading: 56%)
Rank:
6/
10
Top 50%
500 Washington Street
Hackettstown, NJ 07840
(908) 852-8554
Gr: 5-8 | 507 students Student-teacher ratio: 12:1 Minority enrollment: 48%
Rank: #9 - 109. - 10.
Franklin Township School
(Math: 45-49% | Reading: 45-49%)
Rank:
6/
10
Top 50%
52 Asbury Broadway Road
Washington, NJ 07882
(908) 689-2958
Gr: PK-6 | 251 students Student-teacher ratio: 9:1 Minority enrollment: 30%
Rank: #9 - 109. - 10.
Greenwich School
(Math: 45-49% | Reading: 47%)
Rank:
6/
10
Top 50%
101 Wyndham Farm Boulevard
Stewartsville, NJ 08886
(908) 859-2022
Gr: PK-5 | 397 students Student-teacher ratio: 11:1 Minority enrollment: 39%
Rank: #1111.
Great Meadows Regional Middle School
(Math: 40% | Reading: 54%)
Rank:
6/
10
Top 50%
273 Route 46
Great Meadows, NJ 07838
(908) 637-4349
Gr: 4-8 | 361 students Student-teacher ratio: 12:1 Minority enrollment: 26%
Rank: #1212.
Port Colden School
(Math: 40-49% | Reading: 40-49%)
Rank:
5/
10
Bottom 50%
30 Port Colden Road
Washington, NJ 07882
(908) 689-0681
Gr: 1-3 | 170 students Student-teacher ratio: 11:1 Minority enrollment: 25%
Rank: #1313.
Ridge And Valley Charter School
Charter School
(Math: 30-34% | Reading: 50-54%)
Rank:
5/
10
Bottom 50%
1234 State Route 94
Blairstown, NJ 07825
(908) 362-1114
Gr: K-8 | 134 students Student-teacher ratio: 7:1 Minority enrollment: 27%
Rank: #14 - 1514. - 15.
Harmony Township School
(Math: 40-44% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
2551 Belvidere Road
Phillipsburg, NJ 08865
(908) 859-1001
Gr: PK-8 | 190 students Student-teacher ratio: 8:1 Minority enrollment: 10%
Rank: #14 - 1514. - 15.
Lopatcong Elementary School
(Math: 40-44% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
263 Route 57
Phillipsburg, NJ 08865
(908) 859-0800
Gr: PK-4 | 389 students Student-teacher ratio: 12:1 Minority enrollment: 50%
Rank: #16 - 1716. - 17.
Hope Township School
(Math: 35-39% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
320 Johnsonburg Road
Hope, NJ 07844
(908) 459-4242
Gr: PK-8 | 124 students Student-teacher ratio: 8:1 Minority enrollment: 17%
Rank: #16 - 1716. - 17.
Knowlton Township Board Of Education
(Math: 35-39% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
80 Route 46
Delaware, NJ 07833
(908) 475-5118
Gr: PK-6 | 174 students Student-teacher ratio: 9:1 Minority enrollment: 16%
Rank: #1818.
Alpha Borough School
(Math: 30-34% | Reading: 45-49%)
Rank:
5/
10
Bottom 50%
817 North Boulevard
Phillipsburg, NJ 08865
(908) 454-5000
Gr: PK-8 | 215 students Student-teacher ratio: 10:1 Minority enrollment: 28%
Rank: #1919.
Blairstown Elementary School
(Math: 33% | Reading: 44%)
Rank:
4/
10
Bottom 50%
1 Sunset Hill Road
Blairstown, NJ 07825
(908) 362-6111
Gr: PK-6 | 418 students Student-teacher ratio: 10:1 Minority enrollment: 21%
Rank: #20 - 2120. - 21.
Oxford Central School
(Math: 35-39% | Reading: 35-39%)
Rank:
4/
10
Bottom 50%
17 Kent Street
Oxford, NJ 07863
(908) 453-4101
Gr: PK-8 | 262 students Student-teacher ratio: 10:1 Minority enrollment: 22%
Rank: #20 - 2120. - 21.
Pohatcong Township School
(Math: 35-39% | Reading: 35-39%)
Rank:
4/
10
Bottom 50%
240 Rte 519
Phillipsburg, NJ 08865
(908) 859-8155
Gr: PK-8 | 318 students Student-teacher ratio: 10:1 Minority enrollment: 32%
Rank: #2222.
Mansfield Township Elementary School
(Math: 34% | Reading: 41%)
Rank:
4/
10
Bottom 50%
50 Port Murray Road
Port Murray, NJ 07865
(908) 689-3212
Gr: PK-6 | 570 students Student-teacher ratio: 11:1 Minority enrollment: 47%
Rank: #2323.
Allamuchy Township School
(Math: 36% | Reading: 37%)
Rank:
4/
10
Bottom 50%
20 Johnsonburg Road
Allamuchy, NJ 07820
(908) 852-1894
Gr: 3-8 | 253 students Student-teacher ratio: 12:1 Minority enrollment: 37%
Rank: #2424.
Washington Memorial Elementary School
(Math: 27% | Reading: 32%)
Rank:
3/
10
Bottom 50%
300 West Stewart Street
Washington, NJ 07882
(908) 689-0241
Gr: 3-6 | 280 students Student-teacher ratio: 9:1 Minority enrollment: 47%
Rank: #2525.
Belvidere Elementary School
(Math: 25-29% | Reading: 25-29%)
Rank:
3/
10
Bottom 50%
807 Oxford Street
Belvidere, NJ 07823
(908) 475-4001
Gr: PK-8 | 274 students Student-teacher ratio: 11:1 Minority enrollment: 24%
Rank: #2626.
Phillipsburg Elementary School
(Math: 25% | Reading: 25%)
Rank:
2/
10
Bottom 50%
525 Warren Street
Phillipsburg, NJ 08865
(908) 454-3400
Gr: 3-5 | 621 students Student-teacher ratio: 8:1 Minority enrollment: 61%
Rank: #2727.
Phillipsburg Middle School
(Math: 16% | Reading: 32%)
Rank:
2/
10
Bottom 50%
200 Hillcrest Blvd.
Phillipsburg, NJ 08865
(908) 454-3400
Gr: 6-8 | 636 students Student-teacher ratio: 10:1 Minority enrollment: 63%
Rank: n/an/a
Mountain Villa School
1686 County Rt 517
Allamuchy, NJ 07820
(908) 852-1894
Gr: PK-2 | 173 students Student-teacher ratio: 19:1 Minority enrollment: 28%
Rank: n/an/a
Philipsburg Primary School
1000 Green Street
Phillipsburg, NJ 08865
(908) 454-3400
Gr: K-2 | 420 students Student-teacher ratio: 10:1 Minority enrollment: 67%
Rank: n/an/a
Phillipsburg Early Childhood Learning Center
459 Center Street
Phillipsburg, NJ 08865
(908) 454-3010
Gr: PK-1 | 449 students Student-teacher ratio: 9:1 Minority enrollment: 61%
Rank: n/an/a
Taylor Street Elementary School
16 24 Taylor Street
Washington, NJ 07882
(908) 689-0091
Gr: PK-2 | 280 students Student-teacher ratio: 13:1 Minority enrollment: 49%

Frequently Asked Questions

What are the top-ranked public elementary schools in Warren County, NJ?
The top-ranked public elementary schools in Warren County, NJ include Stewartsville Middle School, Willow Grove Elementary School and Lopatcong Township Middle School.
How many public elementary schools are located in Warren County?
31 public elementary schools are located in Warren County.
What is the racial composition of students in Warren County?
Warren County public elementary schools minority enrollment is 40% of the student body (majority Hispanic), which is less than the New Jersey public elementary schools average of 64% (majority Hispanic).
Which public elementary schools in Warren County are often viewed compared to one another?

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