Boston, MA Private School Trends (10-Year)

Private Schools

-4.0% (-1 school) 10-yr

3,626

Students

-7.3% (-285 students) 10-yr

$36,338

Avg. Tuition

+60.5% (+$13,698) 10-yr

Avg. Class Size

36%

Students of Color

+2.9% (+1.0 pp) 10-yr

6:1

Student-Teacher Ratio

-25.0% (-2.0) 10-yr

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Enrollment & Diversity

Trends in Total Number of Private Schools

Year	Boston, MA Total Schools
2025	23
2024	22
2023	21
2022	21
2021	21
2020	22
2019	24
2018	23
2017	21
2016	26
2015	25

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Private schools down 3 from 26 in 2016 to 23 in 2025, after a low of 21 in 2021-2023 and a high of 24 in 2019.

# Students

3,626 Students

126,163 Students

View Data

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

Trends in the Average Number of Students Per Private School

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	176	159	179
2024	173	156	172
2023	171	159	174
2022	180	162	185
2021	181	159	180
2020	169	155	171
2019	196	157	175
2018	181	157	172
2017	167	160	180
2016	236	159	178
2015	170	152	167

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Average students down 60 in Boston private schools, from 236 in 2016 to 176 in 2025.

% Students of Color

36%

32%

View Data

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

Percentage of Students of Color Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	34%	31%	34%
2024	32%	29%	34%
2023	42%	30%	33%
2022	35%	29%	33%
2021	35%	28%	32%
2020	29%	27%	32%
2019	31%	26%	31%
2018	27%	25%	31%
2017	38%	26%	32%
2016	27%	27%	32%
2015	35%	28%	32%

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0.69

0.63

View Data

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

Diversity Score Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	0.69	0.63	0.65
2024	0.70	0.63	0.65
2023	0.70	0.62	0.65
2022	0.68	0.60	0.64
2021	0.68	0.60	0.64
2020	0.67	0.59	0.64
2019	0.64	0.57	0.63
2018	0.66	0.58	0.63
2017	0.66	0.55	0.61
2016	0.58	0.55	0.61
2015	0.67	0.55	0.61

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Show more data/charts: racial breakdown

# American Indian Students

7 Students

187 Students

% American Indian Students

<1%

# Asian Students

226 Students

6,791 Students

% Asian Students

View Data

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

Asian Student Percentage Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	7%	6%	5%
2024	8%	6%	5%
2023	7%	6%	5%
2022	9%	7%	4%
2021	9%	6%	4%
2020	8%	7%	4%
2019	6%	6%	4%
2018	6%	5%	4%
2017	6%	6%	4%
2016	6%	5%	4%
2015	7%	5%	4%

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# Hispanic Students

158 Students

7,564 Students

% Hispanic Students

View Data

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

Hispanic Student Percentage Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	5%	6%	9%
2024	5%	6%	9%
2023	5%	6%	9%
2022	5%	5%	8%
2021	5%	5%	9%
2020	5%	5%	9%
2019	4%	5%	8%
2018	4%	5%	8%
2017	4%	4%	8%
2016	3%	4%	8%
2015	6%	5%	8%

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# Black Students

410 Students

8,693 Students

% Black Students

12%

View Data

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

Black Student Percentage Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	12%	7%	7%
2024	13%	7%	7%
2023	14%	7%	8%
2022	8%	6%	7%
2021	8%	6%	7%
2020	8%	6%	8%
2019	6%	6%	7%
2018	7%	6%	7%
2017	9%	6%	7%
2016	8%	6%	7%
2015	11%	7%	8%

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Black students down 2 points in Boston private schools, from 14% in 2023 to 12% in 2025.

# White Students

1,433 Students

67,896 Students

% White Students

43%

55%

View Data

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

White Student Percentage Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	43%	54%	52%
2024	44%	54%	52%
2023	44%	56%	52%
2022	45%	58%	54%
2021	45%	59%	54%
2020	44%	59%	54%
2019	42%	61%	56%
2018	43%	61%	56%
2017	46%	63%	58%
2016	60%	64%	58%
2015	49%	64%	58%

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# Hawaiian Students

1 Student

83 Students

% Hawaiian Students

<1%

# Others Students

1,072 Students

33,186 Students

% of Others Students

33%

27%

View Data

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

Other Races Student Percentage Trends

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	33%	27%	26%
2024	30%	27%	26%
2023	30%	25%	25%
2022	33%	24%	25%
2021	33%	24%	25%
2020	35%	23%	24%
2019	42%	22%	24%
2018	40%	23%	23%
2017	35%	21%	22%
2016	23%	21%	22%
2015	27%	19%	21%

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Other-race share down 9 points in Boston private schools, from 42% in 2019 to 33% in 2025.

All Ethnic Groups

Academics

# Teachers

563 Teachers

15,776 Teachers

Average Student-Teacher Ratio

6:1

8:1

View Data

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

Student-Teacher Ratio Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	6:1	8:1	11:1
2024	6:1	8:1	11:1
2023	7:1	8:1	11:1
2022	7:1	8:1	11:1
2021	7:1	8:1	11:1
2020	7:1	8:1	12:1
2019	7:1	9:1	12:1
2018	7:1	9:1	12:1
2017	7:1	9:1	12:1
2016	9:1	9:1	12:1
2015	8:1	9:1	12:1

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% Average Faculty w/Advanced Degree

75%

68%

View Data

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

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	77%	67%	55%
2024	75%	67%	54%
2023	74%	67%	54%
2022	73%	67%	54%
2021	73%	67%	54%
2020	66%	66%	54%
2019	72%	66%	53%
2018	73%	65%	53%
2017	73%	64%	53%
2016	69%	64%	52%
2015	68%	64%	52%

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Advanced degrees up 8 points in Boston private schools, rising from 69% in 2016 to 77% in 2025.

Average Class Size

14 students

View Data

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

Class Size Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	14	14	15
2024	14	14	15
2023	14	14	15
2022	14	14	15
2021	14	14	15
2020	14	14	15
2019	14	14	15
2018	14	14	15
2017	14	14	15
2016	15	14	15
2015	14	14	15

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Class size down 1 in Boston private schools, from 15 in 2016 to 14 in 2025, matching Massachusetts and one below the U.S. at 15.

Average Number of AP Courses

10 courses

16 courses

Average SAT score

1416

(Out of 1600)

1289

Average ACT score

(Out of 36)

Tuition & Aid

Average Yearly Tuition Cost

$36,338

$26,644

View Data

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

Tuition Cost Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	$35,319	$26,485	$15,012
2024	$34,049	$25,400	$14,622
2023	$33,231	$24,283	$14,057
2022	$30,569	$23,278	$13,504
2021	$29,873	$22,595	$13,232
2020	$28,633	$21,950	$12,915
2019	$28,319	$21,348	$12,656
2018	$26,842	$20,825	$12,363
2017	$26,132	$20,459	$12,049
2016	$23,519	$19,429	$11,633
2015	$22,640	$18,584	$11,174

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Tuition up 50% in Boston private schools, rising from $23,519 in 2016 to $35,319 in 2025.

Average Summer Program Cost

$769

$2,798

Average % on Financial Aid

33%

37%

View Data

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

Percent on Financial Aid Trends (2015-2025)

Year	Boston, MA Avg	Massachusetts (MA)	National
2025	29%	36%	34%
2024	30%	36%	34%
2023	32%	37%	34%
2022	37%	36%	33%
2021	37%	35%	33%
2020	36%	35%	32%
2019	38%	34%	31%
2018	38%	33%	30%
2017	31%	32%	30%
2016	27%	31%	29%
2015	37%	31%	28%

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Financial aid down 9 points in Boston private schools, from 38% in 2019 to 29% in 2025.

Average Financial Aid Grant

$32,644

$18,788

Average Endowment Size

$23.9 million

$94.31 million

Admissions & Athletics

Average Acceptance Rate

67%

73%

Average Number of Extracurriculars

17 extracurriculars

13 extracurriculars

Average Number of Sports

9 sports

Frequently Asked Questions

What are the top ranked private schools in Boston, MA?

The private schools in Boston, MA include Winsor School, Kingsley Montessori School, and Cathedral High School.

How many private schools are located in Boston?

24 private schools are located in Boston.

How much do private schools cost in Boston?

The average tuition cost is $36,338, which is higher than the Massachusetts private school average tuition cost of $26,644.

How diverse are private schools in Boston?

Boston private schools are approximately 36% minority students, which is higher than the Massachusetts private school average of 32%.

What percentage of students in Boston go to private school?

31% of all K-12 students in Boston are educated in private schools (compared to the MA state average of 12%).

What percentage of private schools are religiously affiliated in Boston?

21% of private schools in Boston are religiously affiliated (most commonly Catholic and Methodist).

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

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