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 small class sizes 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.

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1191 Greendale Avenue
Needham, MA 02492
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Love God, Work Hard, and Take Good Care of One Another

Our students embrace this order of the day and often use it in their chapel speeches. It’s a tradition, a promise, and a way of life.

Families come to St. Sebastian’s because we offer what few schools can. We are a rigorous Catholic independent school enriched by all faith traditions. Our students are known, loved, and challenged by dedicated teachers and coaches. They grow as moral young men of character in an inclusive community of shared purpose and values.

St. Sebastian’s not only prepares students for college and for a chosen career, but for a fully-integrated life of wisdom, faith, happiness and virtue. St. Sebastian’s offers what matters most.

St. Sebastian’s School is a Catholic independent school for boys, grades 7 through 12 in Needham, Massachusetts.

Discover what matters most at St. Sebastian’s


St. Sebastian’s is the only member of the Independent School League with a Catholic mission.



An average class size of 10 engages students in strong partnerships with teachers and classmates.


Providing financial aid to 30% of students, we seek to make St. Sebastian’s accessible to all families.  



Summer Programs

Now Enrolling for Summer 2021

St. Sebastian’s School offers seven distinct programs - both academic and athletic - for students seeking summer activities. Run exclusively by our experienced St. Sebastian’s faculty, the programs are designed to engage students in their selected activity. 

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Accepting Applications for Fall 2021

All images of students not in masks and not following social distancing guidelines pre-date our COVID-19 policies.

Athletics Night

Thursday, November 4, at 6:30pm

Complementing the academic and fine arts focus of our upcoming Curriculum Night, this event for prospective student-athletes and their parents connects you with our students and faculty-coaches to learn about our athletic offerings and philosophy. Speak directly with the coaches of your favorite sports to get to know them and their programs.

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Open House

Thursday, October 5

This event for prospective students and parents offers an introduction to our community and mission as a Catholic independent school that is enriched by all faith traditions. Hear from Headmaster Bill Burke, students, and faculty as they share their perspectives on the St. Sebastian’s experience. 

Application Deadline - February 1, 2023. Learn more.