For the 2026 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 (2026)
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
Overview
This Town (Williamstown)
This State (NJ)
# Schools
3 Schools
Student Body:
# Students
450 Students
217,867 Students
% Average Students of Color
18%
40%
Academics and Faculty:
# Teachers
32 Teachers
20,239 Teachers
Average Student-Teacher Ratio
14:1
11:1
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$6,175
$18,801
Students by Ethnicity:
Diversity Score
0.51
0.63
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
1%
# Asian Students
11 Students
11,318 Students
% Asian Students
3%
5%
# Hispanic Students
31 Students
15,575 Students
% Hispanic Students
7%
7%
# Black Students
23 Students
14,114 Students
% Black Students
5%
7%
# White Students
302 Students
116,454 Students
% White Students
67%
53%
# Hawaiian Students
n/a
292 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
83 Students
59,277 Students
% of Others Students
18%
27%
All Ethnic Groups
Extracurriculars and Sports:
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).
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