St. Sebastians School
Quick Stats (2022-23)
- Top Ranked MA School
- Grades: 7-12
- Enrollment: 380 students
- Yearly Tuition: $54,110
- Average class size: 10 students
- Application Deadline: Feb. 1
- Source: Verified school update
Top Rankings
St. Sebastians School ranks among the top 20% of private schools in Massachusetts for:
School Overview
Student Body

Academics and Faculty
Khaki pants and jacket
Tuition and Acceptance Rate
Sports
Extracurriculars
Art Club, Chess Club, Community Service, Cooking Club, Debate Club, Drama Club, Game Club, Gardening Club, Homework Help, Literary Magazine, Math Club, Mock Trial Club, Model Congress, National Honor Society, Robotics Club, SADD, Science Club, Student Council, Student Newspaper, Technology Club, Yearbook
School Notes
- Committed to the pursuit of truth through faith and reason, St. Sebastian's is a Catholic independent day school for 375 young men in grades seven through twelve. With an average class size of 10 and a student/faculty ratio of 7:1, St. Sebastian's offers a program of academic rigor and spiritual depth with excellence in the arts and athletics.
- Learn more about St. Sebastian's School
Frequently Asked Questions
How much does St. Sebastians School cost?
St. Sebastians School's tuition is approximately $54,110 for private students.
Does St. Sebastians School offer a summer program?
Yes, St. Sebastians School offers a summer program. Visit their summer school page for more information.
What sports does St. Sebastians School offer?
St. Sebastians School offers 15 interscholastic sports: Alpine Skiing, Baseball, Basketball, Cross Country, Football, Golf, Ice Hockey, Lacrosse, Sailing, Soccer, Squash, Swimming, Tennis, Ultimate Frisbee and Wrestling. St. Sebastians School is ranked as one of the top 20% of private schools in Massachusetts for most sports offered.
What is St. Sebastians School's ranking?
St. Sebastians School ranks among the top 20% of private schools in Massachusetts for: Highest percentage of faculty with advanced degrees, Largest student body, Most AP courses offered, Most sports offered and Most extracurriculars offered.
When is the application deadline for St. Sebastians School?
The application deadline for St. Sebastians School is Feb. 1.
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