Princeton, NJ Private School Trends (10-Year)

Private Schools

+76.9% (+10 schools) 10-yr

4,201

Students

+21.6% (+747 students) 10-yr

$32,197

Avg. Tuition

+15.3% (+$4,270) 10-yr

Avg. Class Size

-15.4% (-2 students) 10-yr

42%

Students of Color

+50.0% (+14.0 pp) 10-yr

7:1

Student-Teacher Ratio

-12.5% (-1.0) 10-yr

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Enrollment & Diversity

Category

This Town (Princeton)

This State (NJ)

# Schools

23 Schools

1,374 Schools

View Data

Trends in Total Number of Private Schools
Year	Princeton, NJ Total Schools
2025	22
2024	22
2023	22
2022	22
2021	22
2020	21
2019	23
2018	22
2017	19
2016	20
2015	13

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# Students

4,201 Students

216,366 Students

View Data

Trends in the Average Number of Students Per Private School
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	200	168	179
2024	199	165	172
2023	215	164	174
2022	198	167	185
2021	193	165	180
2020	194	160	171
2019	193	164	175
2018	193	164	172
2017	228	167	180
2016	224	166	178
2015	266	154	167

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% Students of Color

42%

40%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	42%	40%	34%
2024	32%	39%	34%
2023	29%	40%	33%
2022	30%	38%	33%
2021	29%	39%	32%
2020	26%	39%	32%
2019	26%	38%	31%
2018	21%	37%	31%
2017	27%	38%	32%
2016	26%	38%	32%
2015	28%	37%	32%

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0.65

0.63

View Data

Diversity Score Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	0.65	0.63	0.65
2024	0.64	0.64	0.65
2023	0.59	0.65	0.65
2022	0.57	0.65	0.64
2021	0.57	0.65	0.64
2020	0.56	0.65	0.64
2019	0.55	0.65	0.63
2018	0.52	0.65	0.63
2017	0.50	0.64	0.61
2016	0.50	0.65	0.61
2015	0.56	0.65	0.61

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Show more data/charts: racial breakdown

# American Indian Students

5 Students

942 Students

% American Indian Students

n/a

# Asian Students

579 Students

11,318 Students

% Asian Students

13%

View Data

Asian Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	13%	6%	5%
2024	13%	6%	5%
2023	11%	6%	5%
2022	10%	6%	4%
2021	10%	5%	4%
2020	10%	5%	4%
2019	8%	5%	4%
2018	8%	5%	4%
2017	6%	5%	4%
2016	7%	5%	4%
2015	6%	4%	4%

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# Hispanic Students

213 Students

15,574 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	5%	8%	9%
2024	5%	7%	9%
2023	4%	7%	9%
2022	4%	7%	8%
2021	4%	8%	9%
2020	4%	8%	9%
2019	3%	8%	8%
2018	3%	8%	8%
2017	3%	8%	8%
2016	3%	8%	8%
2015	3%	8%	8%

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# Black Students

305 Students

14,112 Students

% Black Students

View Data

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

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# White Students

2,391 Students

116,208 Students

% White Students

54%

View Data

White Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	54%	53%	52%
2024	55%	53%	52%
2023	61%	51%	52%
2022	62%	52%	54%
2021	62%	52%	54%
2020	64%	52%	54%
2019	65%	52%	56%
2018	68%	52%	56%
2017	68%	53%	58%
2016	68%	53%	58%
2015	62%	51%	58%

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# Hawaiian Students

1 Student

292 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

925 Students

58,685 Students

% of Others Students

21%

27%

View Data

Other Races Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	21%	27%	26%
2024	20%	27%	26%
2023	19%	29%	25%
2022	18%	27%	25%
2021	18%	27%	25%
2020	16%	27%	24%
2019	18%	26%	24%
2018	15%	26%	23%
2017	19%	25%	22%
2016	18%	25%	22%
2015	24%	28%	21%

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All Ethnic Groups

Academics

# Teachers

643 Teachers

20,263 Teachers

Average Student-Teacher Ratio

7:1

11:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	7:1	11:1	11:1
2024	7:1	11:1	11:1
2023	7:1	11:1	11:1
2022	7:1	11:1	11:1
2021	7:1	11:1	11:1
2020	7:1	11:1	12:1
2019	7:1	11:1	12:1
2018	7:1	11:1	12:1
2017	7:1	11:1	12:1
2016	7:1	11:1	12:1
2015	8:1	12:1	12:1

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% Average Faculty w/Advanced Degree

55%

53%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	55%	54%	55%
2024	56%	53%	54%
2023	60%	54%	54%
2022	56%	54%	54%
2021	56%	53%	54%
2020	57%	52%	54%
2019	60%	53%	53%
2018	59%	53%	53%
2017	55%	52%	53%
2016	60%	50%	52%
2015	66%	51%	52%

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Average Class Size

11 students

14 students

View Data

Class Size Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	11	14	15
2024	12	14	15
2023	12	14	15
2022	12	14	15
2021	12	14	15
2020	12	14	15
2019	12	14	15
2018	12	14	15
2017	11	14	15
2016	12	14	15
2015	13	14	15

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Average Number of AP Courses

19 courses

15 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	19	15	13
2024	20	14	12
2023	20	14	11
2022	20	13	11
2021	20	13	11
2020	20	13	11
2019	20	12	11
2018	20	12	11
2017	19	11	10
2016	16	10	10
2015	17	9	10

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Average SAT score

1397

(Out of 1600)

1260

View Data

SAT Score Trends (2017-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	1397	1262	1233
2024	1397	1251	1230
2023	1397	1246	1228
2022	1397	1237	1229
2021	1397	1243	1229
2020	1397	1248	1226
2019	1397	1260	1226
2018	1415	1259	1226
2017	1415	1256	1233

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	29	29	26
2024	29	28	26
2023	29	28	26
2022	29	28	26
2021	29	28	26
2020	29	28	25
2019	29	28	25
2018	29	27	25
2017	29	26	25
2016	29	26	25
2015	30	26	25

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Tuition & Aid

Average Yearly Tuition Cost

$32,197

$18,745

View Data

Tuition Cost Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$32,460	$18,947	$15,012
2024	$30,355	$15,878	$13,254
2023	$30,304	$15,215	$12,626
2022	$26,894	$14,919	$12,187
2021	$26,040	$13,993	$11,800
2020	$25,539	$13,826	$11,512
2019	$26,700	$13,406	$11,293
2018	$25,698	$13,176	$11,017
2017	$26,378	$13,780	$10,708
2016	$24,896	$13,054	$10,356
2015	$27,927	$11,979	$9,939

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Average Summer Program Cost

$575

$850

View Data

Summer Program Cost Trends (2023-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$575	$869	$1,152
2024	$575	$917	$1,128
2023	$575	$1,102	$1,156

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Average % on Financial Aid

36%

27%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	36%	27%	34%
2024	37%	27%	34%
2023	36%	27%	34%
2022	36%	26%	33%
2021	36%	27%	33%
2020	36%	27%	32%
2019	35%	27%	31%
2018	34%	26%	30%
2017	34%	25%	30%
2016	32%	24%	29%
2015	33%	22%	28%

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Average Financial Aid Grant

$14,905

$16,021

View Data

Financial Aid Grant Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$14,905	$16,414	$7,073
2024	$11,881	$16,167	$6,930
2023	$13,425	$8,892	$6,469
2022	$13,425	$8,911	$6,289
2021	$13,425	$8,292	$6,055
2020	$13,092	$8,259	$5,921
2019	$13,092	$8,310	$5,795
2018	$12,617	$8,039	$5,456
2017	$12,617	$7,673	$5,319
2016	$10,333	$7,478	$5,105
2015	$15,000	$6,177	$5,030

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Admissions & Athletics

Average Acceptance Rate

60%

78%

View Data

Acceptance Rate Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	58%	77%	81%
2024	64%	78%	85%
2023	64%	80%	85%
2022	58%	79%	85%
2021	58%	79%	85%
2020	55%	79%	85%
2019	55%	79%	85%
2018	59%	79%	85%
2017	59%	79%	85%
2016	64%	79%	85%
2015	33%	79%	85%

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Average Number of Extracurriculars

17 extracurriculars

12 extracurriculars

Average Number of Sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in Princeton, NJ?

The private schools in Princeton, NJ include Stuart Country Day School, The Hun School Of Princeton, and Princeton Day School.

How many private schools are located in Princeton?

23 private schools are located in Princeton.

How much do private schools cost in Princeton?

The average tuition cost is $32,197, which is higher than the New Jersey private school average tuition cost of $18,745.

How diverse are private schools in Princeton?

Princeton private schools are approximately 42% minority students, which is higher than the New Jersey private school average of 40%.

What percentage of students in Princeton go to private school?

51% of all K-12 students in Princeton are educated in private schools (compared to the NJ state average of 14%).

What percentage of private schools are religiously affiliated in Princeton?

26% of private schools in Princeton are religiously affiliated (most commonly Catholic and Friends).

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

Popular comparisons of private schools in Princeton include: The Hun School Of Princeton vs. Princeton Day School, Princeton Day School vs. The Hun School Of Princeton, Harmony School At Princeton vs. Chapin School

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Princeton, NJ Private School Trends (10-Year)

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Percentage of Students of Color Trends (2015-2025)

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

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 (2017-2025)

ACT Score Trends (2015-2025)

Tuition Cost Trends (2015-2025)

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