Princeton, NJ Private School Trends (10-Year)

Private Schools

+60.0% (+6 schools) 10-yr

2,923

Students

+24.5% (+576 students) 10-yr

$32,755

Avg. Tuition

+38.7% (+$9,140) 10-yr

Avg. Class Size

44%

Students of Color

+41.9% (+13.0 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

16 Schools

996 Schools

View Data

Trends in Total Number of Private Preschools
Year	Princeton, NJ Total Schools
2025	15
2024	14
2023	17
2022	16
2021	16
2020	15
2019	17
2018	16
2017	14
2016	15
2015	10

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# Students

2,923 Students

138,258 Students

View Data

Trends in the Average Number of Students Per Private Preschool
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	209	149	191
2024	213	148	187
2023	210	147	185
2022	199	151	188
2021	192	149	184
2020	194	146	179
2019	193	148	182
2018	194	148	181
2017	196	146	183
2016	193	144	181
2015	235	134	173

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% Students of Color

44%

40%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	43%	40%	32%
2024	27%	40%	32%
2023	27%	40%	32%
2022	27%	39%	31%
2021	26%	40%	32%
2020	24%	40%	31%
2019	20%	39%	31%
2018	12%	38%	30%
2017	31%	37%	31%
2016	29%	38%	31%
2015	31%	36%	31%

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0.64

0.66

View Data

Diversity Score Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	0.64	0.66	0.65
2024	0.63	0.66	0.65
2023	0.60	0.66	0.65
2022	0.59	0.67	0.64
2021	0.59	0.67	0.64
2020	0.57	0.67	0.64
2019	0.53	0.67	0.64
2018	0.49	0.67	0.64
2017	0.51	0.66	0.62
2016	0.50	0.66	0.62
2015	0.58	0.66	0.62

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▼ Show more data/charts: racial breakdown

# American Indian Students

3 Students

390 Students

% American Indian Students

n/a

# Asian Students

286 Students

7,564 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	10%	6%	4%
2024	9%	6%	5%
2023	9%	6%	5%
2022	8%	6%	5%
2021	8%	6%	5%
2020	8%	5%	4%
2019	5%	6%	5%
2018	4%	5%	5%
2017	6%	5%	3%
2016	6%	5%	3%
2015	6%	5%	3%

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# Hispanic Students

123 Students

8,796 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	4%	7%	8%
2024	4%	7%	8%
2023	5%	7%	8%
2022	4%	7%	8%
2021	4%	7%	7%
2020	4%	7%	7%
2019	3%	7%	7%
2018	3%	7%	7%
2017	2%	7%	6%
2016	2%	7%	7%
2015	2%	6%	6%

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# Black Students

229 Students

6,735 Students

% Black Students

View Data

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

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# White Students

1,640 Students

56,528 Students

% White Students

53%

42%

View Data

White Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	52%	42%	48%
2024	54%	41%	48%
2023	58%	40%	48%
2022	60%	43%	50%
2021	60%	42%	50%
2020	62%	43%	51%
2019	65%	43%	52%
2018	69%	43%	52%
2017	67%	43%	54%
2016	67%	43%	54%
2015	58%	41%	54%

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# Hawaiian Students

n/a

146 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

843 Students

54,462 Students

% of Others Students

27%

40%

View Data

Other Races Student Percentage Trends
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	27%	40%	34%
2024	27%	41%	33%
2023	23%	41%	33%
2022	22%	38%	31%
2021	22%	38%	31%
2020	20%	38%	31%
2019	23%	37%	30%
2018	20%	38%	30%
2017	21%	38%	30%
2016	21%	38%	29%
2015	29%	42%	29%

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All Ethnic Groups

Academics

# Teachers

456 Teachers

11,516 Teachers

Average Student-Teacher Ratio

7:1

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	7:1	12:1	12:1
2024	7:1	12:1	12:1
2023	7:1	12:1	12:1
2022	8:1	12:1	12:1
2021	8:1	12:1	12:1
2020	8:1	13:1	12:1
2019	7:1	13:1	12:1
2018	7:1	13:1	12:1
2017	7:1	12:1	12:1
2016	7:1	12:1	12:1
2015	8:1	14:1	13:1

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% Average Faculty w/Advanced Degree

54%

50%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	54%	50%	51%
2024	54%	49%	51%
2023	59%	49%	51%
2022	59%	51%	51%
2021	59%	50%	50%
2020	60%	49%	50%
2019	60%	49%	50%
2018	58%	50%	50%
2017	58%	49%	49%
2016	64%	46%	49%
2015	84%	46%	48%

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Average Class Size

12 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	12	15	16
2024	13	15	16
2023	13	15	16
2022	13	15	16
2021	13	15	16
2020	13	15	16
2019	13	15	16
2018	13	15	16
2017	13	15	16
2016	13	15	16
2015	12	14	16

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Average Number of AP Courses

22 courses

12 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	21	12	11
2024	21	10	10
2023	21	10	10
2022	21	10	10
2021	21	9	10
2020	21	10	10
2019	21	9	10
2018	21	8	9
2017	21	8	9
2016	16	8	9
2015	16	7	9

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Average SAT score

1397

(Out of 1600)

1299

View Data

SAT Score Trends (2017-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	1397	1305	1233
2024	1397	1290	1229
2023	1397	1297	1228
2022	1397	1293	1226
2021	1397	1293	1224
2020	1397	1297	1221
2019	1397	1305	1223
2018	1415	1286	1219
2017	1415	1271	1223

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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	29	26
2023	29	30	26
2022	29	30	26
2021	29	29	26
2020	29	29	26
2019	29	29	25
2018	29	28	25
2017	29	27	25
2016	29	26	25
2015	30	27	25

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Tuition & Aid

Average Yearly Tuition Cost

$32,755

$16,517

View Data

Tuition Cost Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$33,117	$16,706	$12,988
2024	$32,187	$12,543	$10,159
2023	$29,312	$12,247	$9,500
2022	$23,942	$11,563	$8,989
2021	$21,923	$10,331	$8,661
2020	$21,071	$10,131	$8,383
2019	$21,038	$9,948	$8,266
2018	$19,725	$9,571	$7,888
2017	$22,947	$10,060	$7,628
2016	$21,490	$9,217	$7,230
2015	$23,615	$8,987	$6,984

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Average Summer Program Cost

$575

$722

View Data

Summer Program Cost Trends (2023-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$575	$767	$767
2024	$575	$690	$721
2023	$575	$803	$729

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Average % on Financial Aid

37%

24%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	37%	24%	31%
2024	37%	24%	30%
2023	35%	23%	30%
2022	33%	22%	29%
2021	33%	24%	29%
2020	33%	24%	29%
2019	33%	24%	28%
2018	28%	23%	27%
2017	28%	21%	26%
2016	28%	20%	25%
2015	22%	18%	24%

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Average Financial Aid Grant

$11,881

$7,451

View Data

Financial Aid Grant Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	$11,881	$7,229	$4,864
2024	$10,083	$5,754	$4,788
2023	$11,500	$6,128	$4,663
2022	$11,500	$5,806	$4,366
2021	$11,500	$5,463	$4,213
2020	$11,000	$5,555	$4,101
2019	$11,000	$5,502	$3,985
2018	$10,000	$4,621	$3,694
2017	$10,000	$4,139	$3,658
2016	$10,000	$4,239	$3,429
2015	$15,000	$3,996	$3,393

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Admissions & Athletics

Average Acceptance Rate

60%

81%

View Data

Acceptance Rate Trends (2015-2025)
Year	Princeton, NJ Avg	New Jersey (NJ)	National
2025	58%	79%	83%
2024	64%	84%	88%
2023	64%	84%	88%
2022	64%	84%	88%
2021	64%	84%	88%
2020	59%	83%	88%
2019	59%	83%	88%
2018	62%	84%	88%
2017	62%	84%	88%
2016	69%	84%	88%
2015	30%	83%	88%

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Average Number of Extracurriculars

15 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

5 sports

Frequently Asked Questions

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

The private preschools in Princeton, NJ include Stuart Country Day School, The Wilberforce School, and Princeton Day School.

How many private preschools are located in Princeton?

16 private preschools are located in Princeton.

How diverse are private preschools in Princeton?

Princeton private preschools are approximately 44% minority students, which is higher than the New Jersey private school average of 40%.

What percentage of private preschools are religiously affiliated in Princeton?

25% of private preschools in Princeton are religiously affiliated (most commonly Catholic and Friends).

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

Popular comparisons of private preschools in Princeton include: Harmony School At Princeton vs. Chapin School, Harmony School At Princeton vs. Princeton Montessori School

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Princeton, NJ Private School Trends (10-Year)

Trends in Total Number of Private Preschools

Trends in the Average Number of Students Per Private Preschool

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)

Summer Program Cost Trends (2023-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

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