For the 2025 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 Central Elementary 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 33% (versus the New Jersey public elementary school average of 37%), 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 63% (majority Hispanic).
Best Public Elementary Schools in Warren County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Stewartsville Middle School
(Math: 52% | Reading: 68%)
Rank:
Rank:
8/
Top 30%10
642 South Main Street
Stewartsville, NJ 08886
(908) 859-2023
Stewartsville, NJ 08886
(908) 859-2023
Grades: 6-8
| 209 students
Rank: #22.
Willow Grove Elementary School
(Math: 52% | Reading: 57%)
Rank:
Rank:
7/
Top 50%10
601 Willow Grove Street
Hackettstown, NJ 07840
(908) 852-2805
Hackettstown, NJ 07840
(908) 852-2805
Grades: 2-4
| 354 students
Rank: #33.
Central Elementary School
(Math: 60-64% | 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
Grades: PK-3
| 301 students
Rank: #44.
Lopatcong Township Middle School
(Math: 44% | Reading: 56%)
Rank:
Rank:
7/
Top 50%10
321 Stonehenge Drive
Phillipsburg, NJ 08865
(908) 213-2995
Phillipsburg, NJ 08865
(908) 213-2995
Grades: 5-8
| 348 students
Rank: #5 - 65. - 6.
Brass Castle School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
16 Castle Street
Washington, NJ 07882
(908) 689-1188
Washington, NJ 07882
(908) 689-1188
Grades: 4-6
| 247 students
Rank: #5 - 65. - 6.
White Township Consolidated School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
565 Cr 519
Belvidere, NJ 07823
(908) 475-4773
Belvidere, NJ 07823
(908) 475-4773
Grades: PK-8
| 261 students
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
Grades: PK-1
| 283 students
Rank: #88.
Port Colden School
(Math: 50-59% | Reading: 40-49%)
Rank:
Rank:
6/
Top 50%10
30 Port Colden Road
Washington, NJ 07882
(908) 689-0681
Washington, NJ 07882
(908) 689-0681
Grades: 1-3
| 158 students
Rank: #99.
Great Meadows Regional Middle School
(Math: 41% | 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
Grades: 4-8
| 349 students
Rank: #1010.
Hackettstown Middle School
(Math: 36% | Reading: 56%)
Rank:
Rank:
6/
Top 50%10
500 Washington Street
Hackettstown, NJ 07840
(908) 852-8554
Hackettstown, NJ 07840
(908) 852-8554
Grades: 5-8
| 483 students
Rank: #1111.
Franklin Township School
(Math: 40-44% | 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
Grades: PK-6
| 215 students
Rank: #1212.
Lopatcong Elementary School
(Math: 45-49% | Reading: 40-44%)
Rank:
Rank:
6/
Top 50%10
263 Route 57
Phillipsburg, NJ 08865
(908) 859-0800
Phillipsburg, NJ 08865
(908) 859-0800
Grades: PK-4
| 374 students
Rank: #1313.
Greenwich School
(Math: 40% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
101 Wyndham Farm Boulevard
Stewartsville, NJ 08886
(908) 859-2022
Stewartsville, NJ 08886
(908) 859-2022
Grades: PK-5
| 420 students
Rank: #1414.
Harmony Township School
(Math: 35-39% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
2551 Belvidere Road
Phillipsburg, NJ 08865
(908) 859-1001
Phillipsburg, NJ 08865
(908) 859-1001
Grades: PK-8
| 184 students
Rank: #1515.
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
Grades: PK-8
| 198 students
Rank: #1616.
Blairstown Elementary School
(Math: 32% | Reading: 44%)
Rank:
Rank:
5/
Bottom 50%10
1 Sunset Hill Road
Blairstown, NJ 07825
(908) 362-6111
Blairstown, NJ 07825
(908) 362-6111
Grades: PK-6
| 425 students
Rank: #1717.
Ridge And Valley Charter School
Charter School
(Math: 20-24% | 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
Grades: K-8
| 135 students
Rank: #1818.
Pohatcong Township School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
240 Rte 519
Phillipsburg, NJ 08865
(908) 859-8155
Phillipsburg, NJ 08865
(908) 859-8155
Grades: PK-8
| 312 students
Rank: #1919.
Hope Township School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
320 Johnsonburg Road
Hope, NJ 07844
(908) 459-4242
Hope, NJ 07844
(908) 459-4242
Grades: PK-8
| 135 students
Rank: #2020.
Allamuchy Township School
(Math: 35% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
20 Johnsonburg Road
Allamuchy, NJ 07820
(908) 852-1894
Allamuchy, NJ 07820
(908) 852-1894
Grades: 3-8
| 274 students
Rank: #2121.
Knowlton Township Board Of Education
(Math: 25-29% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
80 Route 46
Delaware, NJ 07833
(908) 475-5118
Delaware, NJ 07833
(908) 475-5118
Grades: PK-6
| 180 students
Rank: #2222.
Oxford Central School
(Math: 30-34% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
17 Kent Street
Oxford, NJ 07863
(908) 453-4101
Oxford, NJ 07863
(908) 453-4101
Grades: PK-8
| 263 students
Rank: #2323.
Mansfield Township Elementary School
(Math: 30% | 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
Grades: PK-6
| 580 students
Rank: #2424.
Washington Memorial Elementary School
(Math: 24% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
300 West Stewart Street
Washington, NJ 07882
(908) 689-0241
Washington, NJ 07882
(908) 689-0241
Grades: 2-6
| 345 students
Rank: #2525.
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
Grades: 6-8
| 633 students
Rank: #2626.
Phillipsburg Elementary School
(Math: 21% | Reading: 25%)
Rank:
Rank:
2/
Bottom 50%10
525 Warren Street
Phillipsburg, NJ 08865
(908) 454-3400
Phillipsburg, NJ 08865
(908) 454-3400
Grades: 3-5
| 586 students
Rank: #2727.
Belvidere Elementary School
(Math: 15-19% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
807 Oxford Street
Belvidere, NJ 07823
(908) 475-4001
Belvidere, NJ 07823
(908) 475-4001
Grades: PK-8
| 259 students
Rank: n/an/a
1686 County Rt 517
Allamuchy, NJ 07820
(908) 852-1894
Allamuchy, NJ 07820
(908) 852-1894
Grades: PK-2
| 167 students
Rank: n/an/a
1000 Green Street
Phillipsburg, NJ 08865
(908) 454-3400
Phillipsburg, NJ 08865
(908) 454-3400
Grades: K-2
| 397 students
Rank: n/an/a
459 Center Street
Phillipsburg, NJ 08865
(908) 454-3010
Phillipsburg, NJ 08865
(908) 454-3010
Grades: PK-1
| 470 students
Rank: n/an/a
16 24 Taylor Street
Washington, NJ 07882
(908) 689-0091
Washington, NJ 07882
(908) 689-0091
Grades: PK-1
| 227 students
Warren County Public Schools (Closed)
School
Location
Grades
Students
712 South Main Street
Phillipsburg, NJ 08865
(908) 213-2476
Phillipsburg, NJ 08865
(908) 213-2476
Grades: 3-5
| 279 students
Delaware Park School (Closed 2023)
Special Education School
Second & Aurora Sts.
Phillipsburg, NJ 08865
(908) 213-6388
Phillipsburg, NJ 08865
(908) 213-6388
Grades: K
| 97 students
120 Filmore Street
Phillipsburg, NJ 08865
(908) 454-2263
Phillipsburg, NJ 08865
(908) 454-2263
Grades: 1-3
| 211 students
334 Mountain Lake Road
Great Meadows, NJ 07838
(908) 637-4115
Great Meadows, NJ 07838
(908) 637-4115
Grades: 3-5
| 204 students
Fairview Avenue
Phillipsburg, NJ 08865
(908) 213-2688
Phillipsburg, NJ 08865
(908) 213-2688
Grades: 9-12
| 60 students
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
Grades: 11-12
| 3 students
300 Third Street
Belvidere, NJ 07823
(908) 475-0104
Belvidere, NJ 07823
(908) 475-0104
Grades: K-2
| 85 students
Warren Acres (Closed 2010)
Alternative School
660 Oxford Road
Oxford, NJ 07863
(908) 475-7775
Oxford, NJ 07863
(908) 475-7775
Grades: 6-12
| 10 students
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
Grades: PK-12
| 15 students
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 Central Elementary 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 63% (majority Hispanic).
Which public elementary schools in Warren County are often viewed compared to one another?
Popular comparisons of public elementary schools in Warren County include: Stewartsville Middle School vs. Lopatcong Township Middle School, Phillipsburg Early Childhood Learning Center vs. Philipsburg Primary School, Hackettstown Middle School vs. Allamuchy Township School
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