[+] Show Closed Private Schools in Nassau County, New York

Overview

Academics and Faculty:

# Teachers

3,172 Teachers

41,688 Teachers

Average Student-Teacher Ratio

11:1

10:1

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Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	11:1	10:1	11:1
2024	11:1	10:1	11:1
2023	12:1	11:1	11:1
2022	12:1	11:1	11:1
2021	12:1	11:1	11:1
2020	12:1	11:1	12:1
2019	12:1	11:1	12:1
2018	12:1	11:1	12:1
2017	13:1	11:1	12:1
2016	13:1	11:1	12:1
2015	13:1	12:1	12:1

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% Average Faculty w/Advanced Degree

75%

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Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	75%	76%	55%
2024	75%	75%	54%
2023	76%	75%	54%
2022	75%	76%	54%
2021	77%	74%	54%
2020	76%	74%	54%
2019	80%	73%	53%
2018	79%	73%	53%
2017	77%	72%	53%
2016	71%	73%	52%
2015	71%	72%	52%

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Average Class Size

14 students

15 students

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Showing 2016–2025. Full 11-year historical data available below ↓

Class Size Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	15	15	15
2024	14	15	15
2023	14	15	15
2022	14	15	15
2021	14	15	15
2020	14	15	15
2019	14	16	15
2018	14	16	15
2017	15	16	15
2016	14	16	15
2015	14	16	15

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Average Number of AP Courses

13 courses

12 courses

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Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Average Number of AP Courses Offered
Year	Nassau County Average	New York (NY) Average	National Average
2025	13	11	13
2024	11	10	12
2023	12	10	11
2022	11	10	11
2021	11	10	11
2020	11	10	11
2019	11	10	11
2018	11	9	11
2017	11	9	10
2016	10	9	10
2015	10	9	10

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Average SAT score

1219

(Out of 1600)

1261

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SAT Score Trends (2020-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	1219	1250	1233
2024	1219	1246	1230
2022	1237	1246	1229
2021	1249	1247	1229
2020	1249	1240	1226

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Average ACT score

(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$20,567

$21,768

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Showing 2016–2025. Full 11-year historical data available below ↓

Tuition Cost Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	$21,254	$22,300	$15,012
2024	$20,563	$21,665	$14,622
2023	$20,317	$20,985	$14,057
2022	$19,194	$20,180	$13,504
2021	$18,147	$19,711	$13,232
2020	$17,539	$19,389	$12,915
2019	$17,230	$18,863	$12,656
2018	$17,114	$18,453	$12,363
2017	$15,447	$17,834	$12,049
2016	$12,719	$17,228	$11,633
2015	$12,613	$16,414	$11,174

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Average Summer Program Cost

$206

$2,323

Average % on Financial Aid

28%

34%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percent on Financial Aid Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	28%	34%	34%
2024	28%	33%	34%
2023	28%	34%	34%
2022	31%	34%	33%
2021	31%	33%	33%
2020	34%	33%	32%
2019	31%	32%	31%
2018	34%	32%	30%
2017	30%	31%	30%
2016	30%	31%	29%
2015	31%	30%	28%

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Average Financial Aid Grant

$4,425

$10,886

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Financial Aid Grant Trends (2016-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	$4,425	$9,504	$7,073
2024	$4,425	$9,775	$6,930
2023	$5,110	$10,192	$6,469
2022	$3,432	$9,153	$6,289
2021	$3,370	$8,840	$6,055
2020	$3,923	$8,813	$5,921
2019	$3,370	$8,764	$5,795
2018	$3,923	$7,563	$5,456
2017	$4,249	$6,602	$5,319
2016	$5,440	$6,842	$5,105

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Average Acceptance Rate

80%

79%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Acceptance Rate Trends (2015-2025)
Year	Nassau County Average	New York (NY) Average	National Average
2025	71%	74%	81%
2024	76%	79%	85%
2023	80%	79%	85%
2022	78%	78%	85%
2021	77%	78%	85%
2020	77%	78%	85%
2019	77%	77%	85%
2018	75%	77%	85%
2017	76%	79%	85%
2016	77%	80%	85%
2015	74%	81%	85%

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Average Endowment Size

$11.67 million

$31.78 million

Students by Ethnicity:

0.62

0.59

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	0.62	0.60	0.65
2024	0.62	0.60	0.65
2023	0.60	0.62	0.65
2022	0.59	0.62	0.64
2021	0.58	0.62	0.64
2020	0.58	0.62	0.64
2019	0.59	0.61	0.63
2018	0.59	0.61	0.63
2017	0.57	0.61	0.61
2016	0.57	0.62	0.61
2015	0.56	0.62	0.61

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# American Indian Students

33 Students

949 Students

% American Indian Students

<1%

# Asian Students

1,194 Students

18,397 Students

% Asian Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	4%	4%	5%
2024	4%	4%	5%
2023	4%	4%	5%
2022	4%	5%	4%
2021	3%	5%	4%
2020	4%	4%	4%
2019	3%	5%	4%
2018	3%	5%	4%
2017	3%	4%	4%
2016	3%	4%	4%
2015	4%	4%	4%

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# Hispanic Students

2,618 Students

33,759 Students

% Hispanic Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	8%	8%	9%
2024	8%	8%	9%
2023	6%	9%	9%
2022	6%	9%	8%
2021	6%	9%	9%
2020	6%	9%	9%
2019	8%	10%	8%
2018	8%	10%	8%
2017	5%	9%	8%
2016	5%	9%	8%
2015	5%	9%	8%

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# Black Students

2,869 Students

33,696 Students

% Black Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	9%	8%	7%
2024	9%	8%	7%
2023	8%	9%	8%
2022	8%	9%	7%
2021	8%	9%	7%
2020	8%	9%	8%
2019	8%	9%	7%
2018	8%	9%	7%
2017	8%	11%	7%
2016	8%	11%	7%
2015	8%	11%	8%

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# White Students

18,924 Students

252,994 Students

% White Students

56%

60%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	56%	59%	52%
2024	56%	59%	52%
2023	58%	57%	52%
2022	59%	57%	54%
2021	61%	57%	54%
2020	60%	58%	54%
2019	60%	58%	56%
2018	60%	58%	56%
2017	62%	58%	58%
2016	62%	58%	58%
2015	62%	58%	58%

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# Hawaiian Students

89 Students

538 Students

% Hawaiian Students

<1%

# Others Students

7,928 Students

81,171 Students

% of Others Students

24%

19%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Nassau County Average	New York (NY) Average	National Average
2025	23%	20%	26%
2024	23%	20%	26%
2023	24%	20%	25%
2022	23%	18%	25%
2021	22%	19%	25%
2020	22%	19%	24%
2019	21%	18%	24%
2018	21%	18%	23%
2017	22%	18%	22%
2016	22%	18%	22%
2015	21%	18%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

11 extracurriculars

13 extracurriculars

Average Number of Sports

8 sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in Nassau County, NY?

The private schools in Nassau County, NY include Long Island Lutheran Middle & High School, Kellenberg Memorial High School, and Chaminade High School.

How many private schools are located in Nassau County?

126 private schools are located in Nassau County.

How much do private schools cost in Nassau County?

The average tuition cost is $20,567, which is lower than the New York private school average tuition cost of $21,768.

How diverse are private schools in Nassau County?

Nassau County private schools are approximately 38% minority students, which is lower than the New York private school average of 39%.

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

15% of all K-12 students in Nassau County are educated in private schools (compared to the NY state average of 15%).

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

57% of private schools in Nassau County are religiously affiliated (most commonly Catholic and Jewish).

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

Popular comparisons of private schools in Nassau County include: Pierce Country Day School vs. Buckley Country Day School, Silverstein Hebrew Academy vs. North Shore Hebrew Academy, Mesivta Ateres Yaakov vs. Rambam Mesivta

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