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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.

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September 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, August 30
Monday, August 31
Miscellaneous/Other New Student Orientation
-
Parent/Guardian Event New Parent Orientation
-
Tuesday, September 1
Miscellaneous/Other New Student Orientation
-
Wednesday, September 2
Athletics Practice Fall Sports Begin (all)
All Day
Miscellaneous/Other Opening Day of School
All Day
Thursday, September 3
Admissions Event Joint Information Session
-
Friday, September 4
Athletics Game Boys Varsity Soccer vs. Cambridge School of Weston
Ebersol Field
Athletics Game Girls Varsity Soccer vs. Cambridge School of Weston
85 Lexington St, Weston, MA 02493
Saturday, September 5
Sunday, September 6
Monday, September 7
Subscribe to Calendar Alerts Holiday Labor Day (school closed)
All Day
Tuesday, September 8
Wednesday, September 9
Thursday, September 10
Subscribe to Calendar Alerts Parent/Guardian Event College Night for Senior Families
Friday, September 11
Subscribe to Calendar Alerts Athletics Game Varsity Soccer Double-Header @ British International School of Boston
-
416 Pond St, Boston, MA 02130
Saturday, September 12
Subscribe to Calendar Alerts Academics SAT
All Day
Sunday, September 13
Monday, September 14
Subscribe to Calendar Alerts Athletics Game Boys Varsity @ Boston Trinity Academy
Kelly Field, 25 Turtle Pond Pkwy, Boston, MA 02136
Tuesday, September 15
Wednesday, September 16
Subscribe to Calendar Alerts Athletics Game Girls Varsity Soccer vs. International School of Boston
Ebersol Field
Subscribe to Calendar Alerts Athletics Game Cross Country Race @ Jericho Forest
269 Concord Rd, Weston, MA 02493
Thursday, September 17
Subscribe to Calendar Alerts Parent/Guardian Event Parents' Back to School Night
-
Friday, September 18
Subscribe to Calendar Alerts Athletics Game Boys Varsity Soccer vs. Brimmer and May
Ebersol Field
Subscribe to Calendar Alerts Athletics Game Girls Varsity Soccer @ CATS Academy
2001 Washington St, Braintree, MA 02184
Saturday, September 19
Sunday, September 20
Monday, September 21
Subscribe to Calendar Alerts Holiday Yom Kippur (school closed)
All Day
Tuesday, September 22
Subscribe to Calendar Alerts All-School Event Hancock
All Day
Wednesday, September 23
Subscribe to Calendar Alerts All-School Event Hancock
All Day
Thursday, September 24
Subscribe to Calendar Alerts All-School Event Hancock
All Day
Friday, September 25
Subscribe to Calendar Alerts All-School Event Hancock
All Day
Saturday, September 26
Sunday, September 27
Monday, September 28
Tuesday, September 29
Wednesday, September 30
Subscribe to Calendar Alerts Athletics Game Girls Varsity Soccer vs. BU Academy
Ebersol Field
Subscribe to Calendar Alerts Athletics Game Boys JV Soccer @ Gann Academy
333 Forest St, Waltham, MA 02452
Subscribe to Calendar Alerts Athletics Game Cross Country Race @ British International School of Boston
416 Pond St, Boston, MA 02130
Thursday, October 1
Subscribe to Calendar Alerts Parent/Guardian Event All-Family Meeting
-
Friday, October 2
Subscribe to Calendar Alerts Athletics Game Boys Varsity Soccer vs. Newman School
Ebersol Field
Saturday, October 3
Subscribe to Calendar Alerts Academics SAT
All Day
Subscribe to Calendar Alerts Athletics Game Girls Varsity Soccer @ Chapel Hill Chauncy Hall
785 Beaver St, Waltham, MA 02452

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