Preschool through Grade 12

School Calendar

There’s always something happening on the ISB campuses. Download our School Year Calendars, and view upcoming events below.

School Year 2018-2019:

School Year 2019-2020: 

The full calendar for the upcoming school year will be coming out soon. Below are the main dates you may want to know in advance:

  • First Day of School: Wednesday, September 4th, 2019
  • October break: October 21st-25th, 2019
  • End-of-Year Break: December 20th, 2019-January 3rd, 2020
  • Winter Break: February 17th-21st, 2020
  • Spring Break: April 20th-24th, 2020
  • Last Day of School: Wednesday, June 17th, 2020
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sun, Mar 31
Mon, Apr 1
Explore England College Presentation
Media Center
Tue, Apr 2
Open Class: 1A
Church hall
Field Trip: 5A
Open Class: 2C
Church hall
Open Class: 2A
Church hall
Wed, Apr 3
Thu, Apr 4
Open Class: 1B
Church hall
Field Trip: 10FR & 11IB
Fri, Apr 5
Open Class: 2B
Church hall
Sat, Apr 6
ISB Gala
MIT Samberg Conference Center
MUN Conference
Concord Academy
Sun, Apr 7
Mon, Apr 8
Field Trip: 5B
Info Session: 12IB Parents
Media Center
Tue, Apr 9
Wed, Apr 10
Spring Concert
Thu, Apr 11
Bullying Prevention Program: Grade 4
Media Center
Field Trip: 10FR & 11IB
Fri, Apr 12
Sat, Apr 13
Concours Sesame CANCELLED
Media Center
Sun, Apr 14
Mon, Apr 15
Tue, Apr 16
Thu, Apr 18
Fri, Apr 19
Sat, Apr 20
Sun, Apr 28
Tue, Apr 30
Wed, May 1
Subscribe to Alerts State of the School
Church Hall
Thu, May 2
Sat, May 4

Learn More

We are truly teaching the world at the International School of Boston. We welcome you to join us.