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.
April 2025
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, March 30
Debate: Just Us! Commonwealth
All Day
Monday, March 31
Tuesday, April 1
Wednesday, April 2
Thursday, April 3
Friday, April 4
Saturday, April 5
Dive In Saturday
All Day
Sunday, April 6
Monday, April 7
Tuesday, April 8
Wednesday, April 9
Thursday, April 10
Saturday, April 12
Passover (school in session)
All Day
Monday, April 14
Passover (school in session)
All Day
Tuesday, April 15
Passover (school in session)
All Day
Wednesday, April 16
Passover (school in session)
All Day
Saturday, April 19
Passover (school in session)
All Day
Sunday, April 20
Passover (school in session)
All Day
Monday, April 21
Patriots Day (school closed)
All Day
Tuesday, April 22
Day Change: Monday Classes
All Day
Wednesday, April 23
Thursday, April 24
Friday, April 25
Sunday, April 27
Monday, April 28
Tuesday, April 29
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Girls Volleyball @ International School of Boston
45 Matignon Rd, Cambridge, MA 02140
Wednesday, April 30
Thursday, May 1
Friday, May 2
Saturday, May 3
Calendar & Category Legend:
- Academics
- Admissions Event
- All-School Event
- Alumni/ae Event
- Assembly
- Athletics (General)
- Athletics Game
- Athletics Practice
- Board of Trustees Event
- Dive In Commonwealth
- Holiday
- Miscellaneous/Other
- No School
- Parent/Guardian Event
- Vacation