Calendar
Stay up-to-date with Commonwealth events! From upcoming assembly speakers to school-wide celebrations to events for families to alumni/ae reunions, you'll find them all right here.
For further calendar information regarding the school's yearly schedule, visit our academic calendar.
December 2025
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, November 30
Monday, December 1
Tuesday, December 2
Wednesday, December 3
Athletics Game
Boys JV Basketball @ British International School of Boston
416 Pond St, Boston, MA 02130
Thursday, December 4
Friday, December 5
Athletics Game
Varsity Basketball Double-header vs. BU Academy
Huntington Ave YMCA, 316 Huntington Ave, Boston, MA 02115
Sunday, December 7
Monday, December 8
Tuesday, December 9
Wednesday, December 10
Thursday, December 11
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Athletics Game
Gryphon Goblet basketball round 1
85 Lexington St, Weston, MA 02493
Friday, December 12
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Miscellaneous/Other
Project Week Proposals Due for 9s, 10s, 11s
All Day
Saturday, December 13
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Athletics Game
Gryphon Goblet Basketball Tournament
All Day
85 Lexington St, Weston, MA 02493
Sunday, December 14
Monday, December 15
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Athletics Game
Boys Varsity and JV basketball vs. Covenant Christian Academy
BU Fitrec, 915 Commonwealth Ave, Boston, MA 02215
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Athletics Game
Girls Varsity Basketball vs. International School of Boston
Huntington Ave YMCA, 316 Huntington Ave, Boston, MA 02115
Tuesday, December 16
Wednesday, December 17
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Athletics Game
Varsity Basketball vs. Marie Philips
BU Fitrec, 915 Commonwealth Ave, Boston, MA 02215
Thursday, December 18
Friday, December 19
Saturday, December 20
Sunday, December 21
Monday, December 22
Tuesday, December 23
Wednesday, December 24
Thursday, December 25
Friday, December 26
Saturday, December 27
Sunday, December 28
Monday, December 29
Tuesday, December 30
Wednesday, December 31
Thursday, January 1
Friday, January 2
Saturday, January 3
Calendar & Category Legend:
- Academics Academics
- Admissions Event Admissions Event
- All-School Event All-School Event
- Alumni/ae Event Alumni/ae Event
- Assembly Assembly
- Athletics (General) Athletics (General)
- Athletics Game Athletics Game
- Athletics Practice Athletics Practice
- Board of Trustees Event Board of Trustees Event
- Dive In Commonwealth Dive In Commonwealth
- Holiday Holiday
- Miscellaneous/Other Miscellaneous/Other
- No School No School
- Parent/Guardian Event Parent/Guardian Event
- Vacation Vacation