[+] Show Closed Private Schools in Suffolk County, Massachusetts

Overview

Trends in Total Number of Private Schools

Year	Suffolk County Total Schools
2025	77
2024	79
2023	77
2022	72
2021	75
2020	78
2019	77
2018	78
2017	74
2016	76
2015	83

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Private schools down 2 in Suffolk County, from 79 in 2024 to 77 in 2025, after peaking at 79 the year before.

# Students

12,842 Students

126,166 Students

View Data

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

Trends in the Average Number of Students Per Private School

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	173	159	179
2024	170	156	172
2023	181	159	174
2022	175	162	185
2021	172	159	180
2020	169	155	171
2019	175	157	175
2018	177	157	172
2017	175	160	180
2016	174	159	178
2015	171	152	167

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Average students down 4 in Suffolk County private schools, from 177 in 2018 to 173 in 2025.

% Average Students of Color

53%

32%

View Data

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

Percentage of Students of Color Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	52%	31%	34%
2024	51%	29%	34%
2023	48%	30%	33%
2022	42%	29%	33%
2021	43%	28%	32%
2020	43%	27%	32%
2019	41%	26%	31%
2018	40%	25%	31%
2017	44%	26%	32%
2016	43%	27%	32%
2015	45%	28%	32%

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Students of color up 9 points in Suffolk County private schools, from 43% in 2016 to 52% in 2025.

Academics and Faculty:

# Teachers

1,578 Teachers

15,776 Teachers

Average Student-Teacher Ratio

8:1

View Data

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

Student-Teacher Ratio Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	8:1	8:1	11:1
2024	8:1	8:1	11:1
2023	9:1	8:1	11:1
2022	9:1	8:1	11:1
2021	9:1	8:1	11:1
2020	9:1	8:1	12:1
2019	9:1	9:1	12:1
2018	9:1	9:1	12:1
2017	10:1	9:1	12:1
2016	10:1	9:1	12:1
2015	11:1	9:1	12:1

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Student-teacher ratio down 2 in Suffolk County private schools, from 10:1 in 2016 to 8:1 in 2025.

% Average Faculty w/Advanced Degree

72%

68%

View Data

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

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

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	72%	67%	55%
2024	72%	67%	54%
2023	71%	67%	54%
2022	71%	67%	54%
2021	71%	67%	54%
2020	68%	66%	54%
2019	68%	66%	53%
2018	69%	65%	53%
2017	69%	64%	53%
2016	68%	64%	52%
2015	67%	64%	52%

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Faculty degrees up 4 points in Suffolk County private schools, rising from 68% in 2016 to 72% in 2025.

Average Class Size

14 students

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

Class Size Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
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	14	14	15
2015	14	14	15

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Average Number of AP Courses

21 courses

16 courses

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

Trends in Average Number of AP Courses Offered

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	15	15	12
2024	15	15	12
2023	14	14	11
2022	14	15	11
2021	14	14	11
2020	13	14	11
2019	14	13	11
2018	14	13	11
2017	13	13	10
2016	13	12	10
2015	12	11	10

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AP courses up 2 in Suffolk County private schools, from 13 in 2016 to 15 in 2025.

Average SAT score

1401

(Out of 1600)

1289

View Data

SAT Score Trends (2021-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	1397	1289	1233
2024	1411	1291	1230
2023	1365	1272	1228
2022	1296	1266	1229
2021	1296	1263	1229

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SAT score up 101 points in Suffolk County private schools, rising from 1,296 in 2021 to 1,397 in 2025.

Average ACT score

(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$23,027

$26,649

View Data

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

Tuition Cost Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	$23,952	$28,472	$13,694
2024	$23,144	$27,306	$13,340
2023	$22,424	$26,105	$12,825
2022	$20,761	$25,024	$12,321
2021	$20,265	$24,291	$12,072
2020	$19,486	$23,597	$11,784
2019	$19,154	$22,950	$11,547
2018	$18,213	$22,388	$11,280
2017	$17,485	$21,994	$10,994
2016	$15,713	$20,887	$10,614
2015	$15,110	$19,978	$10,195

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Tuition up 53% in Suffolk County, rising from $15,713 in 2016 to $23,952 in 2025.

Average Summer Program Cost

$765

$2,798

View Data

Summer Program Cost Trends (2023-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	$794	$2,893	$1,152
2024	$727	$2,670	$1,128
2023	$1,092	$2,623	$1,156

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Average % on Financial Aid

43%

37%

View Data

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

Percent on Financial Aid Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	41%	36%	34%
2024	41%	36%	34%
2023	46%	37%	34%
2022	44%	36%	33%
2021	46%	35%	33%
2020	49%	35%	32%
2019	49%	34%	31%
2018	49%	33%	30%
2017	44%	32%	30%
2016	44%	31%	29%
2015	50%	31%	28%

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Financial aid fell 8 points in Suffolk County private schools, from 49% in 2018-2020 to 41% in 2024-2025.

Average Financial Aid Grant

$24,791

$18,694

View Data

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

Financial Aid Grant Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	$24,059	$17,137	$7,073
2024	$24,046	$16,262	$6,930
2023	$22,666	$15,114	$6,469
2022	$17,173	$14,744	$6,289
2021	$17,064	$14,176	$6,055
2020	$17,785	$14,234	$5,921
2019	$17,535	$13,455	$5,795
2018	$15,062	$12,706	$5,456
2017	$14,065	$12,090	$5,319
2016	$13,430	$12,060	$5,105
2015	$12,391	$12,547	$5,030

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Grant aid up 79% in Suffolk County private schools, rising from $13,430 in 2016 to $24,059 in 2025.

Average Acceptance Rate

77%

73%

View Data

Acceptance Rate Trends (2015-2025)

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	68%	70%	85%
2024	68%	70%	85%
2023	71%	71%	85%
2022	65%	70%	85%
2021	65%	71%	85%
2020	62%	71%	85%
2019	62%	71%	85%
2018	59%	71%	85%
2016	57%	70%	85%
2015	49%	69%	85%

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Acceptance rate up 19 points in Suffolk County, rising from 49% in 2015 to 68% in 2025.

Average Endowment Size

$47.89 million

$94.31 million

Students by Ethnicity:

0.73

0.63

View Data

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

Diversity Score Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	0.73	0.63	0.65
2024	0.73	0.63	0.65
2023	0.71	0.62	0.65
2022	0.70	0.60	0.64
2021	0.70	0.60	0.64
2020	0.71	0.59	0.64
2019	0.69	0.57	0.63
2018	0.69	0.58	0.63
2017	0.69	0.55	0.61
2016	0.69	0.55	0.61
2015	0.70	0.55	0.61

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Diversity score rose 4 points in Suffolk County private schools, from 0.69 in 2016 to 0.73 in 2025.

# American Indian Students

11 Students

187 Students

% American Indian Students

<1%

# Asian Students

519 Students

6,791 Students

% Asian Students

View Data

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

Asian Student Percentage Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	4%	6%	5%
2024	4%	6%	5%
2023	5%	6%	5%
2022	4%	7%	4%
2021	5%	6%	4%
2020	4%	7%	4%
2019	5%	6%	4%
2018	5%	5%	4%
2017	5%	6%	4%
2016	4%	5%	4%
2015	5%	5%	4%

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# Hispanic Students

1,132 Students

7,564 Students

% Hispanic Students

View Data

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

Hispanic Student Percentage Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	9%	6%	9%
2024	9%	6%	9%
2023	9%	6%	9%
2022	9%	5%	8%
2021	10%	5%	9%
2020	10%	5%	9%
2019	9%	5%	8%
2018	9%	5%	8%
2017	8%	4%	8%
2016	8%	4%	8%
2015	8%	5%	8%

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# Black Students

2,686 Students

8,693 Students

% Black Students

22%

View Data

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

Black Student Percentage Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	22%	7%	7%
2024	22%	7%	7%
2023	19%	7%	8%
2022	14%	6%	7%
2021	13%	6%	7%
2020	15%	6%	8%
2019	13%	6%	7%
2018	13%	6%	7%
2017	15%	6%	7%
2016	16%	6%	7%
2015	17%	7%	8%

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Black students up 6 points in Suffolk County private schools, rising from 16% in 2016 to 22% in 2025.

# White Students

4,747 Students

67,896 Students

% White Students

39%

55%

View Data

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

White Student Percentage Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	38%	54%	52%
2024	38%	54%	52%
2023	45%	56%	52%
2022	45%	58%	54%
2021	44%	59%	54%
2020	43%	59%	54%
2019	46%	61%	56%
2018	45%	61%	56%
2017	46%	63%	58%
2016	46%	64%	58%
2015	45%	64%	58%

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White students down 8 points in Suffolk County private schools, from 46% in 2016 to 38% in 2025.

# Hawaiian Students

12 Students

83 Students

% Hawaiian Students

<1%

# Others Students

3,254 Students

33,188 Students

% of Others Students

26%

27%

View Data

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

Other Races Student Percentage Trends

Year	Suffolk County Average	Massachusetts (MA) Average	National Average
2025	27%	27%	26%
2024	27%	27%	26%
2023	22%	25%	25%
2022	28%	24%	25%
2021	28%	24%	25%
2020	28%	23%	24%
2019	27%	22%	24%
2018	28%	23%	23%
2017	26%	21%	22%
2016	26%	21%	22%
2015	25%	19%	21%

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Other races share held near 27% in Suffolk County private schools, matching Massachusetts in 2025 and edging above the U.S. at 26%.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

13 extracurriculars

Average Number of Sports

8 sports

9 sports

Frequently Asked Questions

What are the top ranked private schools in Suffolk County, MA?

The private schools in Suffolk County, MA include Saint Columbkille Partnership School, Boston College High School, and Catholic Memorial.

How many private schools are located in Suffolk County?

75 private schools are located in Suffolk County.

How much do private schools cost in Suffolk County?

The average tuition cost is $23,027, which is lower than the Massachusetts private school average tuition cost of $26,649.

How diverse are private schools in Suffolk County?

Suffolk County private schools are approximately 53% minority students, which is higher than the Massachusetts private school average of 32%.

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

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

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

47% of private schools in Suffolk County are religiously affiliated (most commonly Catholic and Jewish).

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

Popular comparisons of private schools in Suffolk County include: School Street KinderCare vs. Mercantile KinderCare, Mercantile KinderCare vs. School Street KinderCare, Holy Name Parish School vs. St. Theresa School

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Top Ranked Suffolk County Private Schools (2026-27)

Suffolk 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 (2021-2025)

Tuition and Acceptance Rate:

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)

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

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