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

Overview

Academics and Faculty:

# Teachers

1,130 Teachers

20,271 Teachers

Average Student-Teacher Ratio

12:1

11:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	12:1	11:1	11:1
2024	12:1	11:1	11:1
2023	12:1	11:1	11:1
2022	12:1	11:1	11:1
2021	13:1	11:1	11:1
2020	13:1	11:1	12:1
2019	13:1	11:1	12:1
2018	12:1	11:1	12:1
2017	12:1	11:1	12:1
2016	13:1	11:1	12:1
2015	14:1	12:1	12:1

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% Average Faculty w/Advanced Degree

56%

53%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	56%	54%	55%
2024	56%	53%	54%
2023	53%	54%	54%
2022	53%	54%	54%
2021	53%	53%	54%
2020	49%	52%	54%
2019	51%	53%	53%
2018	51%	53%	53%
2017	51%	52%	53%
2016	49%	50%	52%
2015	65%	51%	52%

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Average Class Size

13 students

14 students

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Class Size Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	15	14	15
2024	15	14	15
2023	15	14	15
2022	13	14	15
2021	14	14	15
2020	16	14	15
2019	16	14	15
2018	16	14	15
2017	16	14	15
2016	17	14	15
2015	17	14	15

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Average Number of AP Courses

13 courses

15 courses

View Data

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

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Average SAT score

1025

(Out of 1600)

1260

View Data

SAT Score Trends (2016-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	1025	1262	1233
2024	1025	1251	1230
2023	1025	1246	1228
2022	1025	1237	1229
2021	1025	1243	1229
2020	1025	1248	1226
2019	1196	1260	1226
2018	1196	1259	1226
2017	1196	1256	1233
2016	1192	1300	1306

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Average ACT score

(Out of 36)

View Data

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	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$15,432

$16,959

View Data

Tuition Cost Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	$18,798	$18,947	$15,012
2024	$17,652	$18,285	$14,622
2023	$17,504	$17,740	$14,057
2022	$17,504	$17,210	$13,504
2021	$16,278	$16,958	$13,232
2020	$17,031	$16,790	$12,915
2019	$17,322	$16,565	$12,656
2018	$17,322	$16,181	$12,363
2017	$17,322	$15,954	$12,049
2016	$16,750	$15,559	$11,633
2015	$16,034	$14,945	$11,174

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Average % on Financial Aid

38%

27%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	38%	27%	34%
2024	38%	27%	34%
2023	37%	27%	34%
2022	47%	26%	33%
2021	44%	27%	33%
2020	58%	27%	32%
2019	40%	27%	31%
2018	40%	26%	30%
2017	40%	25%	30%
2016	40%	24%	29%
2015	20%	22%	28%

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Average Financial Aid Grant

$9,500

$16,021

View Data

Financial Aid Grant Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	$2,000	$16,414	$7,073
2024	$2,000	$16,167	$6,930
2023	$7,928	$8,892	$6,469
2022	$2,000	$8,911	$6,289
2021	$2,125	$8,292	$6,055
2020	$1,833	$8,259	$5,921
2019	$1,625	$8,310	$5,795
2018	$1,625	$8,039	$5,456
2017	$1,675	$7,673	$5,319
2016	$1,675	$7,478	$5,105
2015	$1,050	$6,177	$5,030

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Average Acceptance Rate

94%

82%

View Data

Acceptance Rate Trends (2015-2025)
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	89%	77%	81%
2024	96%	78%	85%
2023	93%	80%	85%
2022	96%	79%	85%
2021	95%	79%	85%
2020	92%	79%	85%
2019	92%	79%	85%
2018	92%	79%	85%
2017	90%	79%	85%
2016	90%	79%	85%
2015	89%	79%	85%

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Average Endowment Size

$10 million

$59.2 million

Students by Ethnicity:

0.71

0.63

View Data

Diversity Score Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	0.71	0.63	0.65
2024	0.71	0.64	0.65
2023	0.73	0.65	0.65
2022	0.73	0.65	0.64
2021	0.73	0.65	0.64
2020	0.74	0.65	0.64
2019	0.74	0.65	0.63
2018	0.74	0.65	0.63
2017	0.73	0.64	0.61
2016	0.73	0.65	0.61
2015	0.72	0.65	0.61

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# American Indian Students

11 Students

942 Students

% American Indian Students

n/a

# Asian Students

625 Students

11,318 Students

% Asian Students

View Data

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

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# Hispanic Students

1,541 Students

15,574 Students

% Hispanic Students

11%

View Data

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

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# Black Students

1,504 Students

14,112 Students

% Black Students

11%

View Data

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

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# White Students

4,535 Students

116,208 Students

% White Students

33%

54%

View Data

White Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	33%	53%	52%
2024	33%	53%	52%
2023	33%	51%	52%
2022	34%	52%	54%
2021	33%	52%	54%
2020	34%	52%	54%
2019	36%	52%	56%
2018	38%	52%	56%
2017	39%	53%	58%
2016	39%	53%	58%
2015	35%	51%	58%

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# Hawaiian Students

22 Students

292 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

5,574 Students

58,607 Students

% of Others Students

40%

27%

View Data

Other Races Student Percentage Trends
Year	Union County Average	New Jersey (NJ) Average	National Average
2025	41%	27%	26%
2024	41%	27%	26%
2023	37%	29%	25%
2022	35%	27%	25%
2021	35%	27%	25%
2020	34%	27%	24%
2019	30%	26%	24%
2018	29%	26%	23%
2017	29%	25%	22%
2016	29%	25%	22%
2015	36%	28%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

14 extracurriculars

12 extracurriculars

Average Number of Sports

8 sports

7 sports

Frequently Asked Questions

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

The private schools in Union County, NJ include Oak Knoll School of the Holy Child (Lower School), Oak Knoll School Of The Holy Child, and Kent Place School.

How many private schools are located in Union County?

90 private schools are located in Union County.

How much do private schools cost in Union County?

The average tuition cost is $15,432, which is lower than the New Jersey private school average tuition cost of $16,959.

How diverse are private schools in Union County?

Union County private schools are approximately 45% minority students, which is higher than the New Jersey private school average of 40%.

What percentage of students in Union County go to private school?

12% of all K-12 students in Union County are educated in private schools (compared to the NJ state average of 14%).

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

42% of private schools in Union County are religiously affiliated (most commonly Catholic and Jewish).

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

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What is AP?

Strategic School Choices
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Well-Rounded Achievements
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Year	Union County Average	New Jersey (NJ) Average	National Average
2025	153	168	179
2024	151	165	172
2023	149	164	174
2022	150	167	185
2021	147	165	180
2020	146	160	171
2019	149	164	175
2018	153	164	172
2017	157	167	180
2016	159	166	178
2015	141	154	167

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Union County Private Schools (2026-27)

Union 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

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

Filter Schools

Quick Links

Most Popular Articles

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Best Union County Private Schools

Top Ranked Union County Private Schools (2026-27)

Union 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

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