Private School Review - Established 2003

Watchung Private Schools (2026)

For the 2026 school year, there is 1 private school serving 281 students in Watchung, NJ, 30% of all K-12 students in Watchung, NJ are educated in private schools versus public schools (compared to the NJ state average of 14%).
100% of private schools in Watchung, NJ are religiously affiliated (most commonly Catholic).

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Watchung Private Schools (2026)

Map of Mount Saint Mary Academy
Mount Saint Mary Academy
Gr: 9-12 | 281 students
Avg. class size: 15 students
Sports: 13 | Extracurriculars: 53
All-girls (Catholic)
1645 US Highway 22 W
Watchung, NJ 07069
(908) 757-0108
View Profile

Watchung, NJ Private School Trends (10-Year)

1
Private Schools
281
Students
-19.7% (-69 students) 10-yr
$35,000
Avg. Tuition
15
Avg. Class Size
13%
Students of Color
8:1
Student-Teacher Ratio
+33.3% (+2.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Watchung)
This State (NJ)
# Schools
1 School
1,371 Schools
# Students
281 Students
216,354 Students

Trends in the Average Number of Students Per Private School

YearWatchung, NJ AvgNew Jersey (NJ)National
2025281168179
2024370165172
2023370164174
2022370167185
2021370165180
2020370160171
2019370164175
2018370164172
2017350167180
2016350166178
2015350154167
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Students of Color
13%
40%

Percentage of Students of Color Trends (2015-2025)

YearWatchung, NJ AvgNew Jersey (NJ)National
202513%40%34%
202413%39%34%
202313%40%33%
202213%38%33%
202113%39%32%
202013%39%32%
201913%38%31%
201813%37%31%
201713%38%32%
201613%38%32%
201513%37%32%
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0.24
0.63

Diversity Score Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
20250.240.630.65
20240.250.640.65
20230.250.650.65
20220.250.650.64
20210.250.650.64
20200.250.650.64
20190.250.650.63
20180.250.650.63
20170.250.640.61
20160.250.650.61
20150.250.650.61
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

▼ Show more data/charts: racial breakdown
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
n/a
# Asian Students
5 Students
11,318 Students
% Asian Students
1%
5%

Asian Student Percentage Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
20251%6%5%
20241%6%5%
20231%6%5%
20221%6%4%
20211%5%4%
20201%5%4%
20191%5%4%
20181%5%4%
20175%5%4%
20165%5%4%
20155%4%4%
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# Hispanic Students
21 Students
15,574 Students
% Hispanic Students
6%
7%

Hispanic Student Percentage Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
20256%8%9%
20246%7%9%
20236%7%9%
20226%7%8%
20216%8%9%
20206%8%9%
20196%8%8%
20186%8%8%
20174%8%8%
20164%8%8%
20154%8%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students
6 Students
14,112 Students
% Black Students
2%
7%

Black Student Percentage Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
20252%6%7%
20242%7%7%
20232%7%8%
20222%8%7%
20212%8%7%
20202%8%8%
20192%9%7%
20182%9%7%
20173%9%7%
20163%9%7%
20153%9%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# White Students
320 Students
116,208 Students
% White Students
87%
54%

White Student Percentage Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
202587%53%52%
202486%53%52%
202386%51%52%
202286%52%54%
202186%52%54%
202086%52%54%
201986%52%56%
201886%52%56%
201787%53%58%
201687%53%58%
201587%51%58%
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# 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
58,673 Students
% of Others Students
n/a
27%

Other Races Student Percentage Trends

YearWatchung, NJ AvgNew Jersey (NJ)National
20241%27%26%
20231%29%25%
20221%27%25%
20211%27%25%
20201%27%24%
20191%26%24%
20181%26%23%
20171%25%22%
20161%25%22%
20151%28%21%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups
Academics
# Teachers
37 Teachers
20,263 Teachers
Average Student-Teacher Ratio
8:1
11:1

Student-Teacher Ratio Trends (2015-2025)

YearWatchung, NJ AvgNew Jersey (NJ)National
20258:111:111:1
202410:111:111:1
202310:111:111:1
202210:111:111:1
202110:111:111:1
202010:111:112:1
201910:111:112:1
201810:111:112:1
20176:111:112:1
20166:111:112:1
20156:112:112:1
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Class Size
15 students
14 students
Average Number of AP Courses
20 courses
15 courses

Trends in Average Number of AP Courses Offered

YearWatchung, NJ AvgNew Jersey (NJ)National
2025201513
2024201412
2023201411
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Tuition & Aid
Average Yearly Tuition Cost
$35,000
$18,774
Average % on Financial Aid
23%
27%
Average Financial Aid Grant
$8,000
$16,021
Admissions & Athletics
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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