For the 2026 school year, there are 2 private high schools serving 383 students in Southborough, MA.
The average acceptance rate is 29%, which is lower than the Massachusetts private high school average acceptance rate of 62%.
50% of private high schools in Southborough, MA are religiously affiliated (most commonly Episcopal).
Top-Ranked Southborough Private High Schools (2026)
School
Location
Quick Facts
48 Main Street
Southborough, MA 01772
(508) 490-8201
Southborough, MA 01772
(508) 490-8201
Gr: K-9 Avg. class size: 14 students Sports: 16 | Extracurrculars: 14 Tuition listed
25 Marlboro Road
Southborough, MA 01772
(508) 786-6000
Southborough, MA 01772
(508) 786-6000
Gr: 9-12 | 383 students Avg. class size: 11 students Sports: 15 | Extracurrculars: 74 Tuition & acceptance rate listed
Overview
This Town (Southborough)
This State (MA)
# Schools
2 Schools
Student Body:
# Students
383 Students
57,306 Students
% Average Students of Color
39%
27%
Academics and Faculty:
# Teachers
146 Teachers
8,493 Teachers
Average Student-Teacher Ratio
5:1
7:1
% Average Faculty w/Advanced Degree
77%
70%
Average Class Size
13 students
12 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$79,140
$40,534
Average % on Financial Aid
30%
39%
Average Financial Aid Grant
$55,805
$28,121
Average Acceptance Rate
29%
62%
Average Endowment Size
$104.5 million
$112.28 million
Students by Ethnicity:
Diversity Score
0.42
0.52
# American Indian Students
2 Students
127 Students
% American Indian Students
n/a
n/a
# Asian Students
82 Students
4,063 Students
% Asian Students
11%
7%
# Hispanic Students
16 Students
3,645 Students
% Hispanic Students
2%
6%
# Black Students
39 Students
3,816 Students
% Black Students
5%
7%
# White Students
576 Students
39,391 Students
% White Students
75%
67%
# Hawaiian Students
n/a
35 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
50 Students
7,482 Students
% of Others Students
7%
13%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
44 extracurriculars
20 extracurriculars
Average Number of Sports
16 sports
12 sports
Frequently Asked Questions
What are the top-ranked private high schools in Southborough, MA?
How many private high schools are located in Southborough?
2 private high schools are located in Southborough.
What percentage of private high schools are religiously affiliated in Southborough?
50% of private high schools in Southborough are religiously affiliated (most commonly Episcopal).
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