KinderCare of Mt. Olive Photo - Front Entrance

Best Warren County Private Preschools (2026)

For the 2026 school year, there are 8 private preschools serving 542 students in Warren County, NJ.
The top-ranked private preschool in Warren County, NJ is Sts Philip & James School.
13% of private preschools in Warren County, NJ are religiously affiliated (most commonly Catholic).

Top-Ranked Warren County Private Preschools (2026)

School
Location
Quick Facts
Sts Philip & James School
(Catholic)
(4)
137 Roseberry St
Phillipsburg, NJ 08865
(908) 859-6064
Gr: PK-8 | 225 students
Busy Bees Learning Center
Daycare / Preschool
205 Strykers Rd
Phillipsburg, NJ 08865
(908) 213-6200
Gr: K | 94 students
Children's Center
Daycare / Preschool
1 Main St
Blairstown, NJ 07825
(908) 310-7919
Gr: PK-K | 23 students Avg. class size: 19 students
Friendship Center
Daycare / Preschool
420 Schooleys Mountain Rd
Hackettstown, NJ 07840
(908) 852-2221
Gr: PK | 7 students
KinderCare of Mt. Olive
KinderCare of Mt. Olive Photo - Front Entrance
Daycare / Preschool
7 Naughright Rd
Hackettstown, NJ 07840
(908) 684-9273
Gr: NS-PK | 103 students Tuition listed
Little Bears Learning Center
Daycare / Preschool
309 Hazen Rd
Hackettstown, NJ 07840
(908) 835-9010
Gr: PK-K | 13 students
Stewartsville KinderCare
Daycare / Preschool
1733 Washington Valley Dr
Stewartsville, NJ 08886
(908) 859-4005
Gr: NS-PK
Washington Kid Care & Learning Center
Daycare / Preschool
70-72 E Washington Ave
Washington, NJ 07882
(908) 689-1777
Gr: PK-K | 77 students
[+] Show Closed Private Schools in Warren County, New Jersey

Warren County Private Schools (Closed)

School
Location
Quick Facts
159 Liberty St
Hackettstown, NJ 07840
(908) 852-4791
Gr: PK-8 | 150 students

Overview

This County (Warren County)
This State (NJ)
# Schools
8 Schools

Student Body:

# Students
542 Students
138,843 Students
% Average Students of Color
27%
40%

Academics and Faculty:

# Teachers
24 Teachers
11,504 Teachers
Average Student-Teacher Ratio
18:1
12:1
% Average Faculty w/Advanced Degree
3%
50%
Average Class Size
19 students
15 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$25,000
$16,573

Students by Ethnicity:

0.63
0.66
# American Indian Students
5 Students
403 Students
% American Indian Students
1%
n/a
# Asian Students
14 Students
7,571 Students
% Asian Students
3%
6%
# Hispanic Students
19 Students
8,894 Students
% Hispanic Students
5%
7%
# Black Students
19 Students
6,761 Students
% Black Students
4%
5%
# White Students
176 Students
56,597 Students
% White Students
40%
42%
# Hawaiian Students
4 Students
146 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
202 Students
54,873 Students
% of Others Students
46%
40%
All Ethnic Groups

Extracurriculars and Sports:

Frequently Asked Questions

What are the top-ranked private preschools in Warren County, NJ?
The top-ranked private preschools in Warren County, NJ is Sts Philip & James School.
How many private preschools are located in Warren County?
8 private preschools are located in Warren County.
How diverse are private preschools in Warren County?
Warren County private preschools are approximately 27% minority students, which is lower than the New Jersey private school average of 40%.
What percentage of private preschools are religiously affiliated in Warren County?
13% of private preschools in Warren County are religiously affiliated (most commonly Catholic).
Which private preschools in Warren County are often viewed compared to one another?

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