For the 2025-26 school year, there are 10 private schools serving 1,056 students in Warren County, NJ (there are 40 public schools, serving 15,349 public students). 6% of all K-12 students in Warren County, NJ are educated in private schools (compared to the NJ state average of 14%).
The top ranked private schools in Warren County, NJ include Blair Academy and Sts Philip & James School.
The average acceptance rate is 15%, which is lower than the New Jersey private school average acceptance rate of 77%.
18% of private schools in Warren County, NJ are religiously affiliated (most commonly Presbyterian and Catholic).
Top Ranked Warren County Private Schools (2025-26)
School
Location
Quick Facts
Blair Academy![Blair Academy Photo]( "Blair Academy Photo")
(Presbyterian)
2 Park St
Blairstown, NJ 07825
(908) 362-2009
Blairstown, NJ 07825
(908) 362-2009
Gr: 9-12 | 465 students Avg. class size: 11 students Sports: 20 | Extracurrculars: 25 Tuition & acceptance rate listed
137 Roseberry St
Phillipsburg, NJ 08865
(908) 859-6064
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
Phillipsburg, NJ 08865
(908) 213-6200
Gr: K | 94 students
Children's Center
Daycare / Preschool
1 Main St
Blairstown, NJ 07825
(908) 310-7919
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
Hackettstown, NJ 07840
(908) 852-2221
Gr: PK | 7 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
KinderCare of Mt. Olive![KinderCare of Mt. Olive Photo - Front Entrance]( "KinderCare of Mt. Olive Photo - Front Entrance")
Daycare / Preschool
7 Naughright Rd
Hackettstown, NJ 07840
(908) 684-9273
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
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
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
Washington, NJ 07882
(908) 689-1777
Gr: PK-K | 77 students
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
Frequently Asked Questions
What are the top ranked private schools in Warren County, NJ?
The top ranked private schools in Warren County, NJ include Blair Academy and Sts Philip & James School.
How many private schools are located in Warren County?
10 private schools are located in Warren County.
How diverse are private schools in Warren County?
Warren County private schools are approximately 27% minority students, which is lower than the New Jersey private school average of 39%.
What percentage of students in Warren County go to private school?
6% of all K-12 students in Warren County are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Warren County?
18% of private schools in Warren County are religiously affiliated (most commonly Presbyterian and Catholic).
Which private schools in Warren County are often viewed compared to one another?
Popular comparisons of private schools in Warren County include: Busy Bees Learning Center vs. Sts Philip & James School, Sts Philip & James School vs. Busy Bees Learning Center
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