Cats Academy Photo

Top 3 Best Braintree Private High Schools (2025)

For the 2025 school year, there are 4 private high schools serving 1,706 students in Braintree, MA.
The top ranked private high schools in Braintree, MA include Thayer Academy, Archbishop Williams High School, and Cats Academy.
The average acceptance rate is 64%, which is higher than the Massachusetts private high school average acceptance rate of 54%.
25% of private high schools in Braintree, MA are religiously affiliated (most commonly Catholic).

Top Ranked Braintree Private High Schools (2025)

School
Location
Grades
Students
Archbishop Williams High School
Archbishop Williams High School Photo
(Catholic)
(1)
40 Independence Ave
Braintree, MA 02184
(781) 843-3636
Grades: 7-12
| 648 students
Cats Academy
Cats Academy Photo
Special Program Emphasis
2001 Washington Street
Braintree, MA 02184
(857) 400-9700
Grades: 8-12
| 327 students
Thayer Academy
745 Washington Street
Braintree, MA 02184
(781) 664-2201
Grades: 5-12
| 686 students
Granite Academy
Special Education School
6 Columbian St
Braintree, MA 02184
(781) 380-3945
Grades: 6-12
| 45 students

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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