For the 2025 school year, there are 40 public schools serving 15,349 students in Warren County, NJ (there are , serving 1,056 private students). 94% of all K-12 students in Warren County, NJ are educated in public schools (compared to the NJ state average of 86%).
The top ranked public 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 schools have an average math proficiency score of 34% (versus the New Jersey public school average of 38%), and reading proficiency score of 42% (versus the 49% statewide average). Schools in Warren County have an average ranking of 4/10, which is in the bottom 50% of New Jersey public schools.
Minority enrollment is 39% of the student body (majority Hispanic), which is less than the New Jersey public school average of 62% (majority Hispanic).
Best Public Schools in Warren County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stewartsville Middle School
(Math: 47% | Reading: 68%)
Rank:
Rank:
8/
Top 30%10
642 South Main Street
Stewartsville, NJ 08886
(908) 859-2023
Stewartsville, NJ 08886
(908) 859-2023
Gr: 6-8 | 209 students Student-teacher ratio: 11:1 Minority enrollment: 34%
Rank: #22.
Willow Grove Elementary School
(Math: 56% | Reading: 57%)
Rank:
Rank:
7/
Top 50%10
601 Willow Grove Street
Hackettstown, NJ 07840
(908) 852-2805
Hackettstown, NJ 07840
(908) 852-2805
Gr: 2-4 | 354 students Student-teacher ratio: 10:1 Minority enrollment: 54%
Rank: #33.
Lopatcong Township Middle School
(Math: 51% | Reading: 56%)
Rank:
Rank:
7/
Top 50%10
321 Stonehenge Drive
Phillipsburg, NJ 08865
(908) 213-2995
Phillipsburg, NJ 08865
(908) 213-2995
Gr: 5-8 | 348 students Student-teacher ratio: 11:1 Minority enrollment: 43%
Rank: #44.
Central Elementary School
(Math: 55-59% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
281 Route 46
Great Meadows, NJ 07838
(908) 637-4041
Great Meadows, NJ 07838
(908) 637-4041
Gr: PK-3 | 301 students Student-teacher ratio: 13:1 Minority enrollment: 21%
Rank: #5 - 65. - 6.
Brass Castle School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
16 Castle Street
Washington, NJ 07882
(908) 689-1188
Washington, NJ 07882
(908) 689-1188
Gr: 4-6 | 247 students Student-teacher ratio: 10:1 Minority enrollment: 27%
Rank: #5 - 65. - 6.
White Township Consolidated School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
565 Cr 519
Belvidere, NJ 07823
(908) 475-4773
Belvidere, NJ 07823
(908) 475-4773
Gr: PK-8 | 261 students Student-teacher ratio: 8:1 Minority enrollment: 17%
Rank: #77.
Hatchery Hill Elementary School
(Math: 55-59% | Reading: 55-59% )
Rank:
Rank:
6/
Top 50%10
398 5th Avenue
Hackettstown, NJ 07840
(908) 852-8550
Hackettstown, NJ 07840
(908) 852-8550
Gr: PK-1 | 283 students Student-teacher ratio: 9:1 Minority enrollment: 61%
Rank: #88.
Hackettstown Middle School
(Math: 37% | Reading: 56%)
Rank:
Rank:
6/
Top 50%10
500 Washington Street
Hackettstown, NJ 07840
(908) 852-8554
Hackettstown, NJ 07840
(908) 852-8554
Gr: 5-8 | 483 students Student-teacher ratio: 11:1 Minority enrollment: 47%
Rank: #9 - 109. - 10.
Franklin Township School
(Math: 45-49% | Reading: 45-49%)
Rank:
Rank:
6/
Top 50%10
52 Asbury Broadway Road
Washington, NJ 07882
(908) 689-2958
Washington, NJ 07882
(908) 689-2958
Gr: PK-6 | 215 students Student-teacher ratio: 8:1 Minority enrollment: 27%
Rank: #9 - 109. - 10.
Greenwich School
(Math: 45-49% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
101 Wyndham Farm Boulevard
Stewartsville, NJ 08886
(908) 859-2022
Stewartsville, NJ 08886
(908) 859-2022
Gr: PK-5 | 420 students Student-teacher ratio: 12:1 Minority enrollment: 39%
Rank: #1111.
Great Meadows Regional Middle School
(Math: 40% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
273 Route 46
Great Meadows, NJ 07838
(908) 637-4349
Great Meadows, NJ 07838
(908) 637-4349
Gr: 4-8 | 349 students Student-teacher ratio: 12:1 Minority enrollment: 25%
Rank: #1212.
Port Colden School
(Math: 40-49% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
30 Port Colden Road
Washington, NJ 07882
(908) 689-0681
Washington, NJ 07882
(908) 689-0681
Gr: 1-3 | 158 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:
Rank:
5/
Bottom 50%10
1234 State Route 94
Blairstown, NJ 07825
(908) 362-1114
Blairstown, NJ 07825
(908) 362-1114
Gr: K-8 | 135 students Student-teacher ratio: 8:1 Minority enrollment: 25%
Rank: #14 - 1514. - 15.
Harmony Township School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
2551 Belvidere Road
Phillipsburg, NJ 08865
(908) 859-1001
Phillipsburg, NJ 08865
(908) 859-1001
Gr: PK-8 | 184 students Student-teacher ratio: 7:1 Minority enrollment: 8%
Rank: #14 - 1514. - 15.
Lopatcong Elementary School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
263 Route 57
Phillipsburg, NJ 08865
(908) 859-0800
Phillipsburg, NJ 08865
(908) 859-0800
Gr: PK-4 | 374 students Student-teacher ratio: 11:1 Minority enrollment: 51%
Rank: #16 - 1716. - 17.
Hope Township School
(Math: 35-39% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
320 Johnsonburg Road
Hope, NJ 07844
(908) 459-4242
Hope, NJ 07844
(908) 459-4242
Gr: PK-8 | 135 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:
Rank:
5/
Bottom 50%10
80 Route 46
Delaware, NJ 07833
(908) 475-5118
Delaware, NJ 07833
(908) 475-5118
Gr: PK-6 | 180 students Student-teacher ratio: 9:1 Minority enrollment: 16%
Rank: #1818.
Alpha Borough School
(Math: 30-34% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
817 North Boulevard
Phillipsburg, NJ 08865
(908) 454-5000
Phillipsburg, NJ 08865
(908) 454-5000
Gr: PK-8 | 198 students Student-teacher ratio: 10:1 Minority enrollment: 27%
Rank: #1919.
Blairstown Elementary School
(Math: 33% | Reading: 44%)
Rank:
Rank:
4/
Bottom 50%10
1 Sunset Hill Road
Blairstown, NJ 07825
(908) 362-6111
Blairstown, NJ 07825
(908) 362-6111
Gr: PK-6 | 425 students Student-teacher ratio: 10:1 Minority enrollment: 22%
Rank: #2020.
Hackettstown High School
(Math: 38% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
599 Warren Street
Hackettstown, NJ 07840
(908) 852-8150
Hackettstown, NJ 07840
(908) 852-8150
Gr: 9-12 | 889 students Student-teacher ratio: 13:1 Minority enrollment: 42%
Rank: #21 - 2221. - 22.
Oxford Central School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
17 Kent Street
Oxford, NJ 07863
(908) 453-4101
Oxford, NJ 07863
(908) 453-4101
Gr: PK-8 | 263 students Student-teacher ratio: 9:1 Minority enrollment: 25%
Rank: #21 - 2221. - 22.
Pohatcong Township School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
240 Rte 519
Phillipsburg, NJ 08865
(908) 859-8155
Phillipsburg, NJ 08865
(908) 859-8155
Gr: PK-8 | 312 students Student-teacher ratio: 10:1 Minority enrollment: 29%
Rank: #2323.
Mansfield Township Elementary School
(Math: 34% | Reading: 41%)
Rank:
Rank:
4/
Bottom 50%10
50 Port Murray Road
Port Murray, NJ 07865
(908) 689-3212
Port Murray, NJ 07865
(908) 689-3212
Gr: PK-6 | 580 students Student-teacher ratio: 10:1 Minority enrollment: 44%
Rank: #2424.
Allamuchy Township School
(Math: 36% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
20 Johnsonburg Road
Allamuchy, NJ 07820
(908) 852-1894
Allamuchy, NJ 07820
(908) 852-1894
Gr: 3-8 | 274 students Student-teacher ratio: 11:1 Minority enrollment: 35%
Rank: #2525.
Warren Hills Regional High School
(Math: 32% | Reading: 40%)
Rank:
Rank:
4/
Bottom 50%10
41 Jackson Valley Road
Washington, NJ 07882
(908) 689-3050
Washington, NJ 07882
(908) 689-3050
Gr: 9-12 | 1,066 student Student-teacher ratio: 11:1 Minority enrollment: 36%
Rank: #2626.
Warren Hills Regional Middle School
(Math: 27% | Reading: 39%)
Rank:
Rank:
4/
Bottom 50%10
64 66 Carlton Avenue
Washington, NJ 07882
(908) 689-0750
Washington, NJ 07882
(908) 689-0750
Gr: 7-8 | 480 students Student-teacher ratio: 11:1 Minority enrollment: 38%
Rank: #2727.
Phillipsburg High School
(Math: 24% | Reading: 37%)
Rank:
Rank:
3/
Bottom 50%10
1 Stateliner Blvd.
Phillipsburg, NJ 08865
(908) 454-3400
Phillipsburg, NJ 08865
(908) 454-3400
Gr: 9-12 | 1,799 student Student-teacher ratio: 13:1 Minority enrollment: 49%
Rank: #2828.
North Warren Regional School
(Math: 25% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
10 Noe Rd
Blairstown, NJ 07825
(908) 362-8211
Blairstown, NJ 07825
(908) 362-8211
Gr: 7-12 | 619 students Student-teacher ratio: 11:1 Minority enrollment: 17%
Rank: #2929.
Washington Memorial Elementary School
(Math: 27% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
300 West Stewart Street
Washington, NJ 07882
(908) 689-0241
Washington, NJ 07882
(908) 689-0241
Gr: 2-6 | 345 students Student-teacher ratio: 12:1 Minority enrollment: 44%
Rank: #3030.
Warren County Vocational Technical School
Vocational School
(Math: 30-34% | Reading: 20-24%)
Rank:
Rank:
3/
Bottom 50%10
1500 Route 57
Washington, NJ 07882
(908) 689-0122
Washington, NJ 07882
(908) 689-0122
Gr: 9-12 | 406 students Student-teacher ratio: 10:1 Minority enrollment: 26%
Rank: #3131.
Belvidere Elementary School
(Math: 25-29% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
807 Oxford Street
Belvidere, NJ 07823
(908) 475-4001
Belvidere, NJ 07823
(908) 475-4001
Gr: PK-8 | 259 students Student-teacher ratio: 9:1 Minority enrollment: 22%
Rank: #3232.
Belvidere High School
(Math: 15-19% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
809 Oxford Street
Belvidere, NJ 07823
(908) 475-4025
Belvidere, NJ 07823
(908) 475-4025
Gr: 9-12 | 318 students Student-teacher ratio: 12:1 Minority enrollment: 21%
Rank: #3333.
Phillipsburg Elementary School
(Math: 25% | Reading: 25%)
Rank:
Rank:
2/
Bottom 50%10
525 Warren Street
Phillipsburg, NJ 08865
(908) 454-3400
Phillipsburg, NJ 08865
(908) 454-3400
Gr: 3-5 | 586 students Student-teacher ratio: 8:1 Minority enrollment: 59%
Rank: #3434.
Phillipsburg Middle School
(Math: 16% | Reading: 32%)
Rank:
Rank:
2/
Bottom 50%10
200 Hillcrest Blvd.
Phillipsburg, NJ 08865
(908) 454-3400
Phillipsburg, NJ 08865
(908) 454-3400
Gr: 6-8 | 633 students Student-teacher ratio: 10:1 Minority enrollment: 61%
Rank: n/an/a
1686 County Rt 517
Allamuchy, NJ 07820
(908) 852-1894
Allamuchy, NJ 07820
(908) 852-1894
Gr: PK-2 | 167 students Student-teacher ratio: 14:1 Minority enrollment: 30%
Show 5 more public schools in Warren County, NJ (out of 40 total schools)
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Warren County Public Schools (Closed)
School
Location
Quick Facts
712 South Main Street
Phillipsburg, NJ 08865
(908) 213-2476
Phillipsburg, NJ 08865
(908) 213-2476
Gr: 3-5 | 279 students Student-teacher ratio: 10:1
Delaware Park School (Closed 2023)
Special Education School
Second & Aurora Sts.
Phillipsburg, NJ 08865
(908) 213-6388
Phillipsburg, NJ 08865
(908) 213-6388
Gr: K | 97 students Student-teacher ratio: 32:1 Minority enrollment: 8%
120 Filmore Street
Phillipsburg, NJ 08865
(908) 454-2263
Phillipsburg, NJ 08865
(908) 454-2263
Gr: 1-3 | 211 students Student-teacher ratio: 13:1
334 Mountain Lake Road
Great Meadows, NJ 07838
(908) 637-4115
Great Meadows, NJ 07838
(908) 637-4115
Gr: 3-5 | 204 students Student-teacher ratio: 9:1 Minority enrollment: 18%
Fairview Avenue
Phillipsburg, NJ 08865
(908) 213-2688
Phillipsburg, NJ 08865
(908) 213-2688
Gr: 9-12 | 60 students Minority enrollment: 12%
Project Teach - Warren Elementary School (Closed 2014)
Alternative School
540 Route 57e
Port Murray, NJ 07865
(908) 680-4650
Port Murray, NJ 07865
(908) 680-4650
Gr: 11-12 | 3 students Minority enrollment: 67%
300 Third Street
Belvidere, NJ 07823
(908) 475-0104
Belvidere, NJ 07823
(908) 475-0104
Gr: K-2 | 85 students Student-teacher ratio: 8:1 Minority enrollment: 6%
Warren Acres (Closed 2010)
Alternative School
660 Oxford Road
Oxford, NJ 07863
(908) 475-7775
Oxford, NJ 07863
(908) 475-7775
Gr: 6-12 | 10 students Minority enrollment: 20%
Warren County Special Services School (Closed 2023)
Special Education School
682 Oxford Road
Oxford, NJ 07863
(908) 223-7275
Oxford, NJ 07863
(908) 223-7275
Gr: PK-12 | 15 students Student-teacher ratio: 2:1 Minority enrollment: 20%
Frequently Asked Questions
What are the top ranked public schools in Warren County, NJ?
The top ranked public schools in Warren County, NJ include Stewartsville Middle School, Willow Grove Elementary School and Lopatcong Township Middle School.
How many public schools are located in Warren County?
40 public schools are located in Warren County.
What percentage of students in Warren County go to public school?
94% of all K-12 students in Warren County are educated in public schools (compared to the NJ state average of 86%).
What is the racial composition of students in Warren County?
Warren County public schools minority enrollment is 39% of the student body (majority Hispanic), which is less than the New Jersey public schools average of 62% (majority Hispanic).
Which public schools in Warren County are often viewed compared to one another?
Popular comparisons of public schools in Warren County include: Phillipsburg Early Childhood Learning Center vs. Philipsburg Primary School, Stewartsville Middle School vs. Lopatcong Township Middle School, Hackettstown Middle School vs. Allamuchy Township School
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