[+] 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)

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Overview

Academics and Faculty:

# Teachers

120 Teachers

20,263 Teachers

Average Student-Teacher Ratio

8:1

11:1

View Data

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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% Average Faculty w/Advanced Degree

53%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	3%	54%	55%
2024	3%	53%	54%
2023	3%	54%	54%
2022	3%	54%	54%
2021	3%	53%	54%
2020	3%	52%	54%
2019	3%	53%	53%
2018	3%	53%	53%
2017	32%	52%	53%
2016	41%	50%	52%
2015	62%	51%	52%

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Average Class Size

14 students

View Data

Class Size Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	14	14	15
2024	15	14	15
2023	15	14	15
2022	15	14	15
2021	16	14	15
2020	16	14	15
2019	16	14	15
2018	16	14	15
2017	12	14	15
2016	11	14	15
2015	11	14	15

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Average Number of AP Courses

54 courses

15 courses

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Trends in Average Number of AP Courses Offered
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	54	15	13
2024	54	14	12
2023	54	14	11
2022	54	13	11
2021	54	13	11
2020	54	13	11
2019	54	12	11
2018	54	12	11
2017	27	11	10
2016	27	10	10
2015	23	9	10

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$48,850

$18,774

View Data

Tuition Cost Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	$48,850	$18,947	$15,012
2024	$72,700	$15,878	$13,254
2023	$72,700	$15,215	$12,626
2022	$70,200	$14,919	$12,187
2021	$66,500	$13,993	$11,800
2020	$66,500	$13,826	$11,512
2019	$64,200	$13,406	$11,293
2018	$62,000	$13,176	$11,017
2017	$32,560	$13,780	$10,708
2016	$31,510	$13,054	$10,356
2015	$53,600	$11,979	$9,939

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Average % on Financial Aid

38%

27%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	38%	27%	34%
2024	38%	27%	34%
2023	38%	27%	34%
2022	38%	26%	33%
2021	35%	27%	33%
2020	35%	27%	32%
2019	40%	27%	31%
2018	40%	26%	30%
2017	25%	25%	30%
2016	25%	24%	29%
2015	33%	22%	28%

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Average Financial Aid Grant

$40,000

$16,021

View Data

Financial Aid Grant Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	$40,000	$16,414	$7,073
2024	$40,000	$16,167	$6,930
2023	$40,000	$8,892	$6,469
2022	$40,000	$8,911	$6,289
2021	$40,000	$8,292	$6,055
2020	$40,000	$8,259	$5,921
2019	$41,000	$8,310	$5,795
2018	$41,000	$8,039	$5,456
2017	$16,300	$7,673	$5,319
2016	$15,300	$7,478	$5,105
2015	$2,800	$6,177	$5,030

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Average Acceptance Rate

15%

78%

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Acceptance Rate Trends (2015-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	15%	77%	81%
2024	15%	78%	85%
2023	15%	80%	85%
2022	15%	79%	85%
2021	21%	79%	85%
2020	21%	79%	85%
2019	19%	79%	85%
2018	19%	79%	85%
2017	55%	79%	85%
2016	56%	79%	85%
2015	27%	79%	85%

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Average Endowment Size

$145 million

$59.32 million

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Endowment Trends (2017-2025)
Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	$145 M	$56 M	$60 M
2024	$145 M	$97 M	$59 M
2023	$145 M	$79 M	$71 M
2022	$145 M	$89 M	$76 M
2021	$101 M	$94 M	$71 M
2020	$101 M	$94 M	$74 M
2019	$101 M	$94 M	$78 M
2018	$94 M	$127 M	$67 M
2017	$85 M	$83 M	$83 M

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Students by Ethnicity:

0.63

View Data

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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# American Indian Students

5 Students

942 Students

% American Indian Students

n/a

# Asian Students

14 Students

11,318 Students

% Asian Students

View Data

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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# Hispanic Students

19 Students

15,574 Students

% Hispanic Students

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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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# Black Students

19 Students

14,112 Students

% Black Students

View Data

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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# White Students

195 Students

116,208 Students

% White Students

43%

54%

View Data

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%

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# Hawaiian Students

4 Students

292 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

202 Students

58,673 Students

% of Others Students

44%

27%

View Data

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%

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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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Year	Warren County Average	New Jersey (NJ) Average	National Average
2025	106	168	179
2024	106	165	172
2023	117	164	174
2022	119	167	185
2021	76	165	180
2020	84	160	171
2019	123	164	175
2018	123	164	172
2017	120	167	180
2016	110	166	178
2015	115	154	167

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Warren County Private Schools (2026)

Warren County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Endowment Trends (2017-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

Recent Articles

Filter Schools

Quick Links

Most Popular Articles

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Best Warren County Private Schools (2026)

Top Ranked Warren County Private Schools (2026)

Warren County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Endowment Trends (2017-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

More Articles