For the 2026 school year, there is 1 private school serving 281 students in Watchung, NJ (there are , serving 667 public students). 30% of all K-12 students in Watchung, NJ are educated in private schools (compared to the NJ state average of 14%).
The top-ranked private school in Watchung, NJ is Mount Saint Mary Academy.
100% of private schools in Watchung, NJ are religiously affiliated (most commonly Catholic).
Top-Ranked Watchung 草榴社区 Schools (2026)
School
Location
Quick Facts
Mount Saint Mary Academy
All-girls (Catholic)
1645 US Highway 22 W
Watchung, NJ 07069
(908) 757-0108
Watchung, NJ 07069
(908) 757-0108
Gr: 9-12 | 281 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 53 Tuition listed
Overview
This Town (Watchung)
This State (NJ)
# Schools
1 School
Student Body:
# Students
281 Students
217,499 Students
% Average Students of Color
13%
40%
Academics and Faculty:
# Teachers
37 Teachers
20,224 Teachers
Average Student-Teacher Ratio
8:1
11:1
Average Class Size
15 students
14 students
Average Number of AP Courses
20 courses
15 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$35,000
$18,757
Average % on Financial Aid
23%
27%
Average Financial Aid Grant
$8,000
$16,285
Students by Ethnicity:
Diversity Score
0.24
0.64
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
1%
# Asian Students
5 Students
11,318 Students
% Asian Students
1%
5%
# Hispanic Students
21 Students
15,574 Students
% Hispanic Students
6%
7%
# Black Students
6 Students
14,113 Students
% Black Students
2%
7%
# White Students
320 Students
116,209 Students
% White Students
87%
53%
# Hawaiian Students
16 Students
292 Students
% Hawaiian Students
4%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
n/a
59,166 Students
% of Others Students
n/a
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
53 extracurriculars
12 extracurriculars
Average Number of Sports
13 sports
7 sports
Frequently Asked Questions
What are the top-ranked private schools in Watchung, NJ?
The top-ranked private schools in Watchung, NJ is Mount Saint Mary Academy.
How many private schools are located in Watchung?
1 private schools are located in Watchung.
What percentage of students in Watchung go to private school?
30% of all K-12 students in Watchung are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Watchung?
100% of private schools in Watchung are religiously affiliated (most commonly Catholic).
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