Private School Review - Established 2003
Fay School Top 22 · Oldest Founding Date (MA)
St. Mark's School Top 10 · Largest Endowment (MA)

Southborough Private Schools

For the 2026-27 school year, there are 3 private schools serving 614 students in Southborough, MA, 32% of all K-12 students in Southborough, MA are educated in private schools versus public schools (compared to the MA state average of 12%).
The average acceptance rate is 29%, which is lower than the Massachusetts private school average acceptance rate of 73%.
33% of private schools in Southborough, MA are religiously affiliated (most commonly Episcopal).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Southborough Private Schools (2026-27)

Fay School Photo
Fay School
Gr: K-9
Avg. class size: 14 students
Sports: 16 | Extracurriculars: 14
48 Main Street
Southborough, MA 01772
(508) 490-8201
(9)
View Profile
St. Mark's School Photo
St. Mark's School
Gr: 9-12 | 383 students
Avg. class size: 11 students
Sports: 15 | Extracurriculars: 74
Episcopal
25 Marlboro Road
Southborough, MA 01772
(508) 786-6000
(2)
View Profile
Map of The New England Center For Children
The New England Center For Children
Gr: Inquire with school | 231 students
Special Education School
33 Turnpike Rd
Southborough, MA 01772
(508) 481-1015
View Profile

Southborough, MA Private School Trends (10-Year)

3
Private Schools
-25.0% (-1 school) 10-yr
614
Students
-5.8% (-38 students) 10-yr
$79,140
Avg. Tuition
+49.3% (+$26,140) 10-yr
13
Avg. Class Size
29%
Students of Color
+7.4% (+2.0 pp) 10-yr
2:1
Student-Teacher Ratio
+100.0% (+1.0) 10-yr
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Enrollment & Diversity
Category
This Town (Southborough)
This State (MA)
# Schools
3 Schools
854 Schools
# Students
614 Students
126,248 Students

Trends in the Average Number of Students Per Private School

YearSouthborough, MA AvgMassachusetts (MA)National
2025307159179
2024304156172
2023292159174
2022292162185
2021288159180
2020288155171
2019274157175
2018274157172
2017312160180
2016218159178
2015217152167
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% Students of Color
29%
32%

Percentage of Students of Color Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
202529%31%34%
202427%29%34%
202319%30%33%
202239%29%33%
202138%28%32%
202038%27%32%
201919%26%31%
201819%25%31%
201729%26%32%
201629%27%32%
201527%28%32%
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0.40
0.63

Diversity Score Trends

YearSouthborough, MA AvgMassachusetts (MA)National
20250.400.630.65
20240.400.630.65
20230.360.620.65
20220.360.600.64
20210.360.600.64
20200.360.590.64
20190.340.570.63
20180.340.580.63
20170.450.550.61
20160.470.550.61
20150.470.550.61
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Show more data/charts: racial breakdown
# American Indian Students
3 Students
187 Students
% American Indian Students
n/a
n/a
# Asian Students
96 Students
6,792 Students
% Asian Students
10%
5%

Asian Student Percentage Trends

YearSouthborough, MA AvgMassachusetts (MA)National
202510%6%5%
202410%6%5%
20239%6%5%
20229%7%4%
20219%6%4%
20209%7%4%
201910%6%4%
201810%5%4%
20179%6%4%
20169%5%4%
20159%5%4%
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# Hispanic Students
16 Students
7,577 Students
% Hispanic Students
2%
6%

Hispanic Student Percentage Trends

YearSouthborough, MA AvgMassachusetts (MA)National
20252%6%9%
20242%6%9%
20232%6%9%
20222%5%8%
20212%5%9%
20202%5%9%
20192%5%8%
20182%5%8%
20172%4%8%
20162%4%8%
20152%5%8%
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# Black Students
52 Students
8,696 Students
% Black Students
5%
7%

Black Student Percentage Trends

YearSouthborough, MA AvgMassachusetts (MA)National
20255%7%7%
20245%7%7%
20235%7%8%
20225%6%7%
20215%6%7%
20205%6%8%
20195%6%7%
20185%6%7%
20175%6%7%
20165%6%7%
20155%7%8%
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# White Students
761 Students
67,960 Students
% White Students
76%
55%

White Student Percentage Trends

YearSouthborough, MA AvgMassachusetts (MA)National
202576%54%52%
202477%54%52%
202380%56%52%
202280%58%54%
202180%59%54%
202080%59%54%
201980%61%56%
201880%61%56%
201773%63%58%
201671%64%58%
201571%64%58%
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# Hawaiian Students
n/a
83 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
68 Students
33,175 Students
% of Others Students
7%
27%

Other Races Student Percentage Trends

YearSouthborough, MA AvgMassachusetts (MA)National
20257%27%26%
20246%27%26%
20234%25%25%
20224%24%25%
20214%24%25%
20204%23%24%
20193%22%24%
20183%23%23%
201711%21%22%
201613%21%22%
201513%19%21%
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All Ethnic Groups
Academics
# Teachers
359 Teachers
15,783 Teachers
Average Student-Teacher Ratio
2:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
20252:18:111:1
20242:18:111:1
20233:18:111:1
20223:18:111:1
20213:18:111:1
20203:18:112:1
20193:19:112:1
20183:19:112:1
20171:19:112:1
20161:19:112:1
20151:19:112:1
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% Average Faculty w/Advanced Degree
77%
68%

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

YearSouthborough, MA AvgMassachusetts (MA)National
202577%67%55%
202473%67%54%
202381%67%54%
202281%67%54%
202186%67%54%
202086%66%54%
201982%66%53%
201882%65%53%
201782%64%53%
201675%64%52%
201575%64%52%
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Average Class Size
13 students
14 students

Class Size Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
2025131415
2024131415
2023131415
2022131415
2021131415
2020131415
2019131415
2018131415
2017131415
2016131415
2015131415
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Tuition & Aid
Average Yearly Tuition Cost
$79,140
$26,559

Tuition Cost Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
2025$67,380$26,485$15,012
2024$75,465$27,159$13,254
2023$67,590$25,129$12,626
2022$67,590$24,457$12,187
2021$65,460$22,623$11,800
2020$65,460$21,672$11,512
2019$61,200$20,983$11,293
2018$61,200$20,804$11,017
2017$57,500$20,615$10,708
2016$53,000$20,164$10,356
2015$53,000$19,785$9,939
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Average % on Financial Aid
30%
36%

Percent on Financial Aid Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
202530%36%34%
202429%36%34%
202328%37%34%
202228%36%33%
202127%35%33%
202027%35%32%
201927%34%31%
201827%33%30%
201727%32%30%
201624%31%29%
201524%31%28%
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Average Financial Aid Grant
$55,805
$17,746

Financial Aid Grant Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
2025$55,805$17,137$7,073
2024$55,805$16,262$6,930
2023$56,000$15,114$6,469
2022$56,000$14,744$6,289
2021$56,000$14,176$6,055
2020$56,000$14,234$5,921
2019$43,703$13,455$5,795
2018$33,614$12,706$5,456
2017$33,614$12,090$5,319
2016$31,241$12,060$5,105
2015$31,241$12,547$5,030
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Average Endowment Size
$104.5 million
$94.84 million

Endowment Trends (2018-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
2025$108 M$83 M$39 M
2024$108 M$105 M$39 M
2023$105 M$103 M$39 M
2022$105 M$100 M$40 M
2021$99 M$102 M$40 M
2020$99 M$104 M$40 M
2019$99 M$107 M$40 M
2018$144 M$127 M$43 M
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Admissions & Athletics
Average Acceptance Rate
29%
73%

Acceptance Rate Trends (2015-2025)

YearSouthborough, MA AvgMassachusetts (MA)National
202529%71%81%
202429%70%85%
202329%71%85%
202229%70%85%
202129%71%85%
202029%71%85%
201927%71%85%
201827%71%85%
201727%71%85%
201632%70%85%
201532%69%85%
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Average Number of Extracurriculars
44 extracurriculars
13 extracurriculars
Average Number of Sports
16 sports
9 sports

Frequently Asked Questions

What are the top ranked private schools in Southborough, MA?
The top ranked private schools in Southborough, MA include St. Mark's School and Fay School.
How many private schools are located in Southborough?
3 private schools are located in Southborough.
What percentage of students in Southborough go to private school?
32% of all K-12 students in Southborough are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in Southborough?
33% of private schools in Southborough are religiously affiliated (most commonly Episcopal).

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