Parents of the Class of 2023 gathered on the evening of Sunday, June 4, to celebrate their sons and kick off graduation week with the Senior Parent Dinner.

The Class of 2023 gathered on the Class of 2007 Terrace at the Griffith Headmaster’s House on Wednesday, May 31, to celebrate the annual Alumni-Senior Breakfast.

St. Sebastian's School is proud to recognize its student-athletes for their performance on the Arrows varsity baseball, golf, lacrosse, and tennis teams, as well as our ultimate team.

Parents, Alumni and Parents of Alumni gathered on the Class of 2007 Terrace at the Headmaster Griffiths House on Tuesday, May 30 for the Volunteer Appreciation Cookout.

St. Sebastian's School held a Foreign Language Awards Ceremony on Thursday, May 25, 2023.

Jack McHugh '24 gave a speech at the Needham Memorial Day Ceremony on Monday, May 30, 2022.

St. Sebastian’s welcomed back two of their own to address the Athletics Media Club on Thursday, May 25. 

This past Saturday, May 20, members of grades 9 and 10 volunteered at the Miracle League.

St. Sebastian's School is proud to recognize the following students who were presented with awards for their academic achievements during the Undergraduate Awards Assembly held this morning, May 24, 2023.

Mothers from across the grades gathered in the Burke Family Center’s Wrestling Room for a great night out to celebrate the Guild of St. Irene Closing Event & Fashion Show on May 18.

The Annual Headmaster Golf Scholarship Tournament was held at the Charles River Country Club in Newton on May 15.

Nearly 250 alumni participated in Reunions Weekend honoring the 3’s and 8’s from 1948 – 2018.