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A Mission-driven Community

St. Sebastian’s offers the best of the Catholic and Independent School traditions, with a mission that sets us apart from other schools in our league.


Beyond the Classroom

In addition to a rich academic program, St. Sebastian’s provides a wide variety of opportunities for students to continue learning outside the classroom setting.

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Stay up to date on all things Arrows through our digital dashboard, including our latest media posts, photo albums, news updates and more.

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Commencement 2019

St. Sebastian's celebrated 67 graduates at its 75th Commencement Exercises on June 6.


Pursuing Truth Through Faith and Reason

“The order of the day is to love God, work hard, and take good care of one another.”
William L. Burke III, Headmaster

St. Sebastian’s at a Glance

The nature of the experience while here and the powers gained from having been here.


Towns represented by the student body


Our total enrollment and number of chapel speeches given each year


of graduates attend four-year colleges


Teams compete in 13 different sports as part of the ISL


Student clubs and organizations


Advanced Placement (AP) courses


average graduating class size


of students receive need-based financial aid

News and Events

Every young man will be known and loved and called to greatness.
Students dress up as witches during the Macbeth Copetition

On December 10, students in grades 9-12 competed in the Shakespeare Competition. The winner moves on to compete at the regional semifinals of the ESU's (English Speaking Union) national high school competition held at Mt. Ida College on February 1. On December 19, the sophomore English classes competed for a $25 gift card and individual acting prizes in the annual Macbeth Competition.

Read More about Arrows Compete in Annual Shakespeare and Macbeth Competitions



“The time and devotion given to every student by every teacher is incredible to say the least.”

Gabriel Twohig ’21

“Once in. Never Out. It’s resoundingly true. Alums are always coming back as though they never left.”

Dan Fulham ’14

“St. Sebastian’s is more than a school or a community. It is a family.”

Jeanne McKenzie, P'18.'20