For the 2025-26 school year, there are 3 private schools serving 450 students in Williamstown, NJ (there are 7 public schools, serving 5,871 public students). 7% of all K-12 students in Williamstown, NJ are educated in private schools (compared to the NJ state average of 14%).
The top ranked private school in Williamstown, NJ is St. Mary School.
67% of private schools in Williamstown, NJ are religiously affiliated (most commonly Catholic and Pentecostal).
Top Ranked Williamstown Private Schools (2025-26)
School
Location
Quick Facts
St. Mary School
(Catholic)
32 Carroll Ave A
Williamstown, NJ 08094
(856) 629-6190
Williamstown, NJ 08094
(856) 629-6190
Gr: PK-8 | 430 students Tuition listed
Finest Of The Wheat Christian Academy
(Pentecostal)
4 Concord Dr
Williamstown, NJ 08094
(856) 629-9600
Williamstown, NJ 08094
(856) 629-9600
Gr: 8-12 | 7 students
Lasting Legacy Academy, Llc
Alternative School
1480 N Tuckahoe Rd
Williamstown, NJ 08094
(856) 532-2221
Williamstown, NJ 08094
(856) 532-2221
Gr: PK-7 | 13 students
Williamstown, New Jersey Private Schools (Closed)
School
Location
Quick Facts
1073 New Brooklyn Rd
Williamstown, NJ 08094
(856) 629-4300
Williamstown, NJ 08094
(856) 629-4300
Gr: PK-12 | 125 students
Frequently Asked Questions
What are the top ranked private schools in Williamstown, NJ?
The top ranked private schools in Williamstown, NJ is St. Mary School.
How many private schools are located in Williamstown?
3 private schools are located in Williamstown.
What percentage of students in Williamstown go to private school?
7% of all K-12 students in Williamstown are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Williamstown?
67% of private schools in Williamstown are religiously affiliated (most commonly Catholic and Pentecostal).
Recent Articles
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.