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.
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Pursuing Truth Through Faith and Reason
News and Events
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.
The Slings & Arrows Players delivered a heartwarming performance of this year's winter play "The Little Prince" on February 28 and March 1.
On Tuesday, February 25, the Class of 2025 congregated in Ward Hall for the annual “100 Days to Graduation” breakfast celebrating the milestone with a delicious meal prepared by the dining staff.
Mike Melley P’18, 22 and James Donovan ’19 from the St. Sebastian’s Alumni Office recently hosted lunches for Arrows graduates attending college in the area.
Twelve Arrows participated in this year's Harvard Model Congress at the Sheraton Boston Hotel from February 20-23.
On February 11, Gabriela Wells and Stacy Karabetsos from The Second Step presented to the junior class to help educate students about teen dating violence.
On Friday, February 7, St. Sebastian’s hosted our annual Alumni Basketball Reception.
On February 8, St. Sebastian's School welcomed our ISL rivals for a day of intense competition, as wrestlers battled for the league championship.
During the Academic Awards Assembly on February 5, 2025, Assistant Head of School Michael Nerbonne addressed students on this year's theme of "Witness."
Four Arrows were recognized for their work in the 2025 Scholastic Art & Writing Awards.
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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.