đ School calendar 2026-2027
The International School of San Francisco
San Francisco, United States
All the 2026-2027 dates: first day, holidays, local public holidays and no-school days, taken from the school's official calendar.
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- First day
Wednesday, 2 September 2026
First day of school (PK2 to Grade 12)
- Public holiday
Monday, 7 September 2026
Labor Day (school closed)
- Holidays
Saturday 10 October to Sunday, 18 October 2026 · 9 days
October break
- No school
Monday, 19 October 2026
In-service day (no classes, classes resume October 20)
- No school
Monday 23 November to Tuesday, 24 November 2026 · 2 days
Parent-teacher conferences (no classes)
- Holidays
Wednesday 25 November to Sunday, 29 November 2026 · 5 days
Thanksgiving break
- Holidays
Saturday, 19 December 2026 to Sunday, 3 January 2027 · 16 days
Winter break
- Public holiday
Monday, 18 January 2027
Martin Luther King Jr. Day (school closed)
- No school
Tuesday, 19 January 2027
In-service day (no classes)
- Holidays
Saturday 13 February to Sunday, 21 February 2027 · 9 days
February break
- No school
Thursday 4 March to Friday, 5 March 2027 · 2 days
Parent-teacher conferences (no classes for Maternelle and Lower School only)
- Holidays
Saturday 3 April to Monday, 12 April 2027 · 10 days
Spring break (classes resume April 13)
- Public holiday
Monday, 31 May 2027
Memorial Day (school closed)
- End of year
Friday, 11 June 2027
Last day of classes
These dates come from the school's officially published calendar and can change, especially religious holidays set by local authorities. When in doubt, the school's website prevails.