For the 2026 school year, there are 2 private elementary schools serving 274 students in Warren County, NJ.
The top-ranked private elementary school in Warren County, NJ is Sts Philip & James School.
33% of private elementary schools in Warren County, NJ are religiously affiliated (most commonly Catholic).
Top-Ranked Warren County Private Elementary Schools (2026)
School
Location
Quick Facts
137 Roseberry St
Phillipsburg, NJ 08865
(908) 859-6064
Phillipsburg, NJ 08865
(908) 859-6064
Gr: PK-8 | 225 students
Kiddie Academy Of Lopatcong
Daycare / Preschool
424 State Route 57
Phillipsburg, NJ 08865
(908) 387-0890
Phillipsburg, NJ 08865
(908) 387-0890
Gr: K-1 | 30 students Avg. class size: 12 students Tuition listed
Warren County Private Schools (Closed)
School
Location
Quick Facts
St. Mary's School (Closed 2010)
(Catholic)
159 Liberty St
Hackettstown, NJ 07840
(908) 852-4791
Hackettstown, NJ 07840
(908) 852-4791
Gr: PK-8 | 150 students
Overview
This County (Warren County)
This State (NJ)
# Schools
3 Schools
Student Body:
# Students
274 Students
140,528 Students
% Average Students of Color
17%
40%
Academics and Faculty:
# Teachers
23 Teachers
14,341 Teachers
Average Student-Teacher Ratio
12:1
10:1
Average Class Size
12 students
14 students
Tuition and Acceptance Rate:
Students by Ethnicity:
Diversity Score
0.56
0.60
# American Indian Students
n/a
838 Students
% American Indian Students
n/a
n/a
# Asian Students
4 Students
8,533 Students
% Asian Students
2%
6%
# Hispanic Students
8 Students
11,226 Students
% Hispanic Students
3%
8%
# Black Students
9 Students
10,269 Students
% Black Students
4%
7%
# White Students
143 Students
85,967 Students
% White Students
58%
60%
# Hawaiian Students
4 Students
171 Students
% Hawaiian Students
2%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
76 Students
26,766 Students
% of Others Students
31%
19%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private elementary schools in Warren County, NJ?
The top-ranked private elementary schools in Warren County, NJ is Sts Philip & James School.
How many private elementary schools are located in Warren County?
2 private elementary schools are located in Warren County.
What percentage of private elementary schools are religiously affiliated in Warren County?
33% of private elementary schools in Warren County are religiously affiliated (most commonly Catholic).
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