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Warren County Private Schools

For the 2026-27 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 are educated in private schools (compared to the NJ state average of 14%).

The average acceptance rate is 15%, which is lower than the New Jersey private school average acceptance rate of 82%.

18% of private schools in Warren County, NJ are religiously affiliated (most commonly Catholic and Presbyterian).

Quick Facts (26-27)

# Private Schools: 10
# Students Served: 1,056
Average Class Size: 14 students
% Students of Color: 27%
View Warren County, NJ School Trends

Quick Facts (26-27)

# Private Schools: 10
# Students Served: 1,056
Average Class Size: 14 students
% Students of Color: 27%
View Warren County, NJ School Trends

[+] Show Closed Private Schools in Warren County, New Jersey

Warren County Private Schools (Closed)

St. Mary's School

Gr: PK-8 | 150 students

Catholic

159 Liberty St

Hackettstown, NJ 07840

(908) 852-4791

(1)

View Profile

Overview

Academics and Faculty:

# Teachers

120 Teachers

20,271 Teachers

Average Student-Teacher Ratio

8:1

11:1

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	8:1	11:1	11:1
2024	8:1	11:1	11:1
2023	8:1	11:1	11:1
2022	8:1	11:1	11:1
2021	19:1	11:1	11:1
2020	15:1	11:1	12:1
2019	9:1	11:1	12:1
2018	9:1	11:1	12:1
2017	9:1	11:1	12:1
2016	9:1	11:1	12:1
2015	11:1	12:1	12:1

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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 Faculty w/Advanced Degree

53%

Average Class Size

14 students

Average Number of AP Courses

54 courses

15 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$72,700

$17,000

Average % on Financial Aid

38%

27%

Average Financial Aid Grant

$40,000

$16,021

Average Acceptance Rate

15%

82%

Average Endowment Size

$145 million

$59.2 million

Students by Ethnicity:

0.63

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	0.63	0.63	0.65
2024	0.63	0.64	0.65
2023	0.62	0.65	0.65
2022	0.63	0.65	0.64
2021	0.63	0.65	0.64
2020	0.63	0.65	0.64
2019	0.62	0.65	0.63
2018	0.62	0.65	0.63
2017	0.63	0.64	0.61
2016	0.63	0.65	0.61
2015	0.62	0.65	0.61

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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.

# American Indian Students

5 Students

942 Students

% American Indian Students

<1%

# Asian Students

14 Students

11,318 Students

% Asian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	3%	6%	5%
2024	3%	6%	5%
2023	3%	6%	5%
2022	4%	6%	4%
2021	4%	5%	4%
2020	4%	5%	4%
2019	4%	5%	4%
2018	4%	5%	4%
2017	3%	5%	4%
2016	4%	5%	4%
2015	3%	4%	4%

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Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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.

# Hispanic Students

19 Students

15,574 Students

% Hispanic Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	4%	8%	9%
2024	4%	7%	9%
2023	4%	7%	9%
2022	6%	7%	8%
2021	6%	8%	9%
2020	5%	8%	9%
2019	5%	8%	8%
2018	5%	8%	8%
2017	4%	8%	8%
2016	4%	8%	8%
2015	4%	8%	8%

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Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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

19 Students

14,112 Students

% Black Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	4%	6%	7%
2024	4%	7%	7%
2023	5%	7%	8%
2022	3%	8%	7%
2021	3%	8%	7%
2020	4%	8%	8%
2019	3%	9%	7%
2018	3%	9%	7%
2017	5%	9%	7%
2016	5%	9%	7%
2015	4%	9%	8%

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Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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

195 Students

116,208 Students

% White Students

43%

54%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	43%	53%	52%
2024	43%	53%	52%
2023	39%	51%	52%
2022	44%	52%	54%
2021	44%	52%	54%
2020	40%	52%	54%
2019	46%	52%	56%
2018	46%	52%	56%
2017	48%	53%	58%
2016	46%	53%	58%
2015	46%	51%	58%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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.

# Hawaiian Students

4 Students

292 Students

% Hawaiian Students

<1%

# Others Students

202 Students

58,607 Students

% of Others Students

44%

27%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	44%	27%	26%
2024	44%	27%	26%
2023	48%	29%	25%
2022	42%	27%	25%
2021	42%	27%	25%
2020	45%	27%	24%
2019	41%	26%	24%
2018	41%	26%	23%
2017	38%	25%	22%
2016	40%	25%	22%
2015	41%	28%	21%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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

Extracurriculars and Sports:

Average Number of Extracurriculars

25 extracurriculars

12 extracurriculars

Average Number of Sports

20 sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in Warren County, NJ?

The private schools in Warren County, NJ include Sts Philip & James School and Blair Academy.

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 40%.

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 Catholic and Presbyterian).

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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