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.
LEARN MORE >
Pursuing Truth Through Faith and Reason
News and Events
Author and journalist Timothy Egan captivated the St. Sebastian’s community as the 2025 Birmingham Lecture Series speaker, bringing to life the remarkable story of Irish revolutionary Thomas Francis Meagher and inspiring students with powerful lessons from history.
The Latin Club held its annual Certamen Night on Tuesday, April 8, competing in a game to test their knowledge of literature, grammar, history, mythology, and culture.
On April 14, Homeland Security Investigations Supervisory Special Agent, Brian Andersen – husband of science teacher Diane Popeo - spoke to select science classes about how the criminal investigative process mirrors the scientific method.
Members of the Latin Club attended Classics Day at Holy Cross on Thursday, April 10.
On Sunday, April 6, 2025, 11 members of the St. Sebastian's Debate Team travelled to The Winsor School for their annual Boston-area Debate Tournament.
Twelve members of the Class of 2025 were inducted into the Cum Laude Society during a ceremony held today, April 11, 2025.
St. Sebastian's held its annual reception for admitted students and their families on Thursday, April 3 in Ward Hall.
St. Sebastian's School is proud to announce those students who were named to the Third Quarter Honor Rolls.
Over March Break, Head of School Brendan Sullivan hit the road to connect with the extended St. Sebastian’s family in Florida. Joined by Rebecca Sullivan, Rich Arms, Director of Advancement, and Mike Melley, Director of Alumni & Development, he hosted receptions in Naples and Jupiter, bringing together alumni, parents, parents of alumni, and grandparents.
St. Sebastian's School is proud to recognize its student-athletes for their performance on the Arrows varsity basketball, hockey, wrestling skiing, and squash teams.
Crosby Thurmond '25 was inducted into the Sr. Evelyn C. Barrett, O.P. Chapter of the National Honor Society on Monday, March 10
On Friday, March 7, fifteen 5th grade students from the San Miguel School in Providence, RI travelled to St. Sebastian’s to spend the day here on campus with our Arrows.
St. Sebastian's Trustees took part in the School's annual Trustee Class Visit Day on Thursday, March 6.
On Sunday, March 2, 2025, St. Sebastian's participated in the Hopkins School Invitational Debate Tournament.
Our 8th graders visited Newton Country Day School on February 27 for a fun evening of service and connection.
Calendar
OUR COMMUNITY
“The time and devotion given to every student by every teacher is incredible to say the least.”
“Once in. Never Out. It’s resoundingly true. Alums are always coming back as though they never left.”
“St. Sebastian’s is more than a school or a community. It is a family.”
Why St. Sebastian’s?
The best way to experience the mission of St. Sebastian’s is by visiting our campus in person. In the meantime, here is a glimpse of life on Greendale Avenue.