Private School Review - Established 2003
Archbishop Williams High School Top 24 · Highest Avg. ACT Score (MA)
Cats Academy

Braintree Private High Schools

For the 2026-27 school year, there are 4 private high schools serving 1,706 students in Braintree, MA.
The average acceptance rate is 68%, which is higher than the Massachusetts private high school average acceptance rate of 63%.
25% of private high schools in Braintree, MA are religiously affiliated (most commonly Catholic).

Quick Facts (26-27)

  • # Private Schools: 4
  • # Students Served: 1,706
  • Average Tuition: $36,642
  • % Students on Financial Aid: 37%
  • Acceptance Rate: 68%
  • Average Class Size: 14 students
  • % Students of Color: 31%
  • View Braintree, MA School Trends

Quick Facts (26-27)

  • # Private Schools: 4
  • # Students Served: 1,706
  • Average Tuition: $36,642
  • % Students on Financial Aid: 37%
  • Acceptance Rate: 68%
  • Average Class Size: 14 students
  • % Students of Color: 31%
  • View Braintree, MA School Trends

Top Ranked Braintree Private High Schools (2026-27)

Archbishop Williams High School Photo
Archbishop Williams High School
Gr: 7-12 | 648 students
Avg. class size: 20 students
Sports: 17 | Extracurriculars: 1
Catholic
40 Independence Ave
Braintree, MA 02184
(781) 535-6051
(1)
View Profile
Cats Academy Photo
Cats Academy
Gr: 8-12 | 327 students
Avg. class size: 12 students
Specialized Curriculum
2001 Washington Street
Braintree, MA 02184
(857) 400-9700
View Profile
Map of Thayer Academy
Thayer Academy
Gr: 5-12 | 686 students
Avg. class size: 15 students
745 Washington Street
Braintree, MA 02184
(781) 664-2201
View Profile
Map of Granite Academy
Granite Academy
Gr: 6-12 | 45 students
Avg. class size: 9 students
Sports: 1
Special Education School
6 Columbian St
Braintree, MA 02184
(781) 380-3945
View Profile

Braintree, MA Private School Trends

4
Private Schools
1,706
Students
$36,642
Avg. Tuition
14
Avg. Class Size
31%
Students of Color
8:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Braintree)
This State (MA)
# Schools
4 Schools
261 Schools
# Students
1,706 Students
56,915 Students
% Students of Color
31%
28%
0.57
0.52
Show more data/charts: racial breakdown
# American Indian Students
0 Students
127 Students
% American Indian Students
0%
<1%
# Asian Students
280 Students
4,063 Students
% Asian Students
16%
7%
# Hispanic Students
113 Students
3,645 Students
% Hispanic Students
7%
6%
# Black Students
114 Students
3,816 Students
% Black Students
7%
7%
# White Students
1,073 Students
39,391 Students
% White Students
62%
67%
# Hawaiian Students
0 Students
35 Students
% Hawaiian Students
0%
<1%
# Others Students
137 Students
7,368 Students
% of Others Students
8%
13%
All Ethnic Groups
Academics
# Teachers
223 Teachers
8,583 Teachers
Average Student-Teacher Ratio
8:1
6:1
% Average Faculty w/Advanced Degree
66%
72%
Average Class Size
14 students
12 students
Average Number of AP Courses
16 courses
17 courses
Average SAT score
1139
(Out of 1600)
1289
Average ACT score
25
(Out of 36)
29
Tuition & Aid
Average Yearly Tuition Cost
$36,642
$40,983
Average % on Financial Aid
37%
40%
Average Financial Aid Grant
$24,000
$28,912
Admissions & Athletics
Average Acceptance Rate
68%
63%
Average Number of Extracurriculars
1 extracurriculars
20 extracurriculars
Average Number of Sports
9 sports
12 sports

Frequently Asked Questions

What are the top ranked private high schools in Braintree, MA?
The top ranked private high schools in Braintree, MA include Thayer Academy, Archbishop Williams High School, and Cats Academy.
How many private high schools are located in Braintree?
4 private high schools are located in Braintree.
What percentage of private high schools are religiously affiliated in Braintree?
25% of private high schools in Braintree are religiously affiliated (most commonly Catholic).

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