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

Overview

Academics and Faculty:

# Teachers

570 Teachers

9,098 Teachers

Average Student-Teacher Ratio

8:1

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Student-Teacher Ratio Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	8:1	8:1	10:1
2024	8:1	9:1	10:1
2023	8:1	9:1	10:1
2022	8:1	8:1	10:1
2021	9:1	8:1	10:1
2020	9:1	9:1	10:1
2019	9:1	9:1	10:1
2018	9:1	9:1	10:1
2017	9:1	9:1	10:1
2016	9:1	9:1	10:1
2015	9:1	10:1	10:1

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% Average Faculty w/Advanced Degree

64%

59%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	64%	59%	57%
2024	66%	58%	57%
2023	63%	59%	57%
2022	63%	60%	56%
2021	63%	59%	56%
2020	57%	58%	56%
2019	57%	59%	55%
2018	57%	59%	55%
2017	56%	58%	55%
2016	52%	55%	54%
2015	78%	57%	54%

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Average Class Size

13 students

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Class Size Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	17	13	14
2024	18	13	14
2023	16	13	14
2022	13	13	14
2021	13	13	14
2020	17	13	14
2019	18	13	14
2018	19	13	14
2017	20	13	14
2016	22	13	14
2015	22	13	14

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Average Number of AP Courses

15 courses

16 courses

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Trends in Average Number of AP Courses Offered
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	15	16	13
2024	13	15	12
2023	11	14	12
2022	12	14	12
2021	12	13	12
2020	11	13	12
2019	11	13	11
2018	12	13	11
2017	12	11	11
2016	10	11	11
2015	9	10	10

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Average SAT score

1025

(Out of 1600)

1255

View Data

SAT Score Trends (2016-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	1025	1257	1233
2024	1025	1251	1231
2023	1025	1246	1229
2022	1025	1238	1230
2021	1025	1244	1230
2020	1025	1249	1227
2019	1196	1260	1226
2018	1196	1253	1226
2017	1196	1250	1233
2016	1192	1300	1308

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Average ACT score

(Out of 36)

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ACT Score Trends (2020-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	30	29	26
2024	30	28	26
2023	30	28	26
2022	30	28	26
2021	30	28	26
2020	30	28	26

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$22,714

$23,619

View Data

Tuition Cost Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	$22,404	$23,640	$17,997
2024	$18,715	$21,272	$17,011
2023	$15,471	$19,507	$16,191
2022	$10,835	$19,882	$15,821
2021	$9,713	$18,637	$15,331
2020	$9,178	$18,303	$15,046
2019	$9,178	$18,060	$14,791
2018	$11,268	$17,663	$14,527
2017	$14,172	$18,594	$14,161
2016	$10,625	$17,139	$13,713
2015	$6,106	$15,359	$13,065

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Average % on Financial Aid

49%

35%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	48%	35%	38%
2024	48%	35%	37%
2023	44%	35%	36%
2022	75%	33%	36%
2021	58%	34%	36%
2020	58%	34%	35%
2019	58%	34%	34%
2018	58%	33%	33%
2017	58%	30%	32%
2016	58%	29%	31%
2015	20%	26%	30%

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Average Financial Aid Grant

$17,000

$24,522

View Data

Financial Aid Grant Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	$2,000	$25,884	$9,714
2024	$2,000	$26,458	$9,498
2023	$11,880	$12,077	$8,890
2022	$2,000	$11,851	$8,717
2021	$2,250	$10,521	$8,472
2020	$2,250	$10,224	$8,370
2019	$2,250	$10,832	$7,924
2018	$2,250	$10,790	$7,471
2017	$2,250	$10,336	$7,202
2016	$2,250	$9,927	$6,993
2015	$900	$8,277	$6,822

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Average Acceptance Rate

93%

73%

View Data

Acceptance Rate Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	93%	73%	79%
2024	95%	65%	81%
2023	85%	65%	81%
2022	95%	68%	81%
2021	95%	68%	81%
2020	85%	68%	81%
2019	85%	67%	81%
2018	85%	69%	80%
2017	85%	69%	81%
2016	79%	69%	80%
2015	81%	72%	81%

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Average Endowment Size

$10 million

$72.09 million

Students by Ethnicity:

0.68

0.58

View Data

Diversity Score Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	0.68	0.58	0.61
2024	0.68	0.58	0.60
2023	0.67	0.59	0.60
2022	0.67	0.58	0.58
2021	0.68	0.58	0.57
2020	0.69	0.58	0.57
2019	0.64	0.58	0.56
2018	0.61	0.57	0.55
2017	0.61	0.57	0.54
2016	0.61	0.57	0.54
2015	0.61	0.58	0.53

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# American Indian Students

5 Students

342 Students

% American Indian Students

n/a

# Asian Students

360 Students

5,725 Students

% Asian Students

View Data

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

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# Hispanic Students

597 Students

6,470 Students

% Hispanic Students

13%

View Data

Hispanic Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	13%	8%	9%
2024	13%	8%	9%
2023	13%	9%	8%
2022	11%	10%	8%
2021	11%	9%	8%
2020	11%	9%	8%
2019	11%	9%	8%
2018	10%	8%	8%
2017	12%	9%	7%
2016	12%	9%	8%
2015	9%	10%	8%

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# Black Students

695 Students

7,631 Students

% Black Students

16%

10%

View Data

Black Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	15%	10%	8%
2024	15%	10%	8%
2023	18%	11%	8%
2022	19%	11%	8%
2021	20%	12%	8%
2020	21%	12%	8%
2019	20%	12%	8%
2018	18%	12%	8%
2017	21%	13%	8%
2016	21%	13%	8%
2015	24%	13%	9%

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# White Students

2,347 Students

48,074 Students

% White Students

52%

63%

View Data

White Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	52%	63%	59%
2024	52%	63%	60%
2023	52%	62%	60%
2022	52%	62%	62%
2021	50%	63%	63%
2020	50%	63%	64%
2019	55%	63%	64%
2018	59%	63%	65%
2017	58%	64%	66%
2016	58%	63%	66%
2015	57%	63%	66%

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# Hawaiian Students

14 Students

138 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

494 Students

7,979 Students

% of Others Students

11%

10%

View Data

Other Races Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	11%	11%	17%
2024	11%	11%	15%
2023	9%	10%	16%
2022	10%	9%	16%
2021	10%	9%	15%
2020	10%	8%	14%
2019	7%	9%	14%
2018	6%	9%	13%
2017	4%	8%	14%
2016	4%	9%	13%
2015	5%	9%	12%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

21 extracurriculars

Average Number of Sports

11 sports

10 sports

Frequently Asked Questions

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

The private high schools in Union County, NJ include Bruriah High School For Girls, Oratory Preparatory School, and Oak Knoll School Of The Holy Child.

How many private high schools are located in Union County?

18 private high schools are located in Union County.

How much do private high schools cost in Union County?

The average tuition cost is $22,714, which is lower than the New Jersey private school average tuition cost of $23,619.

How diverse are private high schools in Union County?

Union County private high schools are approximately 45% minority students, which is higher than the New Jersey private school average of 39%.

What percentage of private high schools are religiously affiliated in Union County?

56% of private high schools in Union County are religiously affiliated (most commonly Catholic and Christian).

Which private high schools in Union County are often viewed compared to one another?

Popular comparisons of private high schools in Union County include: Roselle Catholic High School vs. Union Catholic Regional High School, Union Catholic Regional High School vs. Roselle Catholic High School

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Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Union County Private High Schools (2026-27)

Union County Private High Schools (Closed)

Overview

Trends in Total Number of Private High Schools

Trends in the Average Number of Students Per Private High 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

SAT Score Trends (2016-2025)

ACT Score Trends (2020-2025)

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)

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

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Quick Links

Most Popular Articles

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Trends in the Average Number of Students Per Private High School
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	241	234	253
2024	241	231	245
2023	241	238	247
2022	248	229	257
2021	244	223	249
2020	238	215	235
2019	294	237	242
2018	320	243	238
2017	285	251	246
2016	297	248	241
2015	207	232	220

Best Union County Private High Schools (2026-27)

Top Ranked Union County Private High Schools (2026-27)

Union County Private High Schools (Closed)

Overview

Trends in Total Number of Private High Schools

Trends in the Average Number of Students Per Private High 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

SAT Score Trends (2016-2025)

ACT Score Trends (2020-2025)

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)

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