San Mateo-Foster City School District Calendar 2026-2027

Thanksgiving break in San Mateo-Foster City School District is a full week (Nov 23-27, 2026), winter break covers December 17, 2026 to January 4, 2027 and spring break is Mar 29 to Apr 2, 2027. School runs from August 11, 2026 to June 10, 2027, 180 instructional days in all.

Checking today…

First dayTue, Aug 11, 2026

Last dayThu, Jun 10, 2027

Spring breakMar 29 to Apr 2, 2027back Mon, Apr 5, 2027

Winter breakDec 17 to Jan 4back Wed, Jan 6, 2027

All 2026-2027 dates

180 student days (district count) · Weekends are not listed. Past dates are dimmed.

San Mateo-Foster City School District 2026-2027 2026-2027 District Calendar dates
Date	Event
Tue, Aug 11, 2026	First day of school
Mon, Sep 7, 2026	Labor Day
Mon, Sep 21, 2026	Yom Kippur
Fri, Oct 2, 2026	Teacher workday, no school for students
Mon, Oct 5 to Fri, Oct 9, 2026	Fall Break · 5 school days off
Wed, Nov 11, 2026	Veteran's Day
Mon, Nov 23 to Fri, Nov 27, 2026	Thanksgiving Break · 5 school days off
Thu, Dec 17, 2026 to Mon, Jan 4, 2027	Winter Break · 13 school days off
Tue, Jan 5, 2027	Teacher workday, no school for students
Fri, Jan 15, 2027	Teacher workday, no school for students
Mon, Jan 18, 2027	Martin Luther King Jr. Day
Mon, Feb 15, 2027	Presidents' Day
Fri, Mar 26, 2027	Teacher workday, no school for students
Mon, Mar 29 to Fri, Apr 2, 2027	Spring Break · 5 school days off
Mon, May 31, 2027	Memorial Day
Thu, Jun 10, 2027	Last day of school

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Verified against San Mateo-Foster City School District’s official 2026-2027 calendar on September 29, 2026 (board-approved on February 22, 2024). Confidence: High.

Source: San Mateo-Foster City School District 2026-2027 Calendar (Board Approved 2/22/2024) (PDF) · district calendar page

We fetch this document again every day and compare it with the version we verified; if the district changes it, the dates here are read again.

Note: Document states 180 student contact days. Staff work/PD days (Oct 2, Jan 5, Jan 15, Mar 26) are no school for students. Aug 10 (before first day) and Jun 11 (after last day) are staff work days. Juneteenth (Jun 18) falls after the last day of school. Winter break runs Dec 17 - Jan 4 and includes Dec 25 and Jan 1 legal holidays; students return Jan 6 after the Jan 5 staff work day. The document is labeled board approved 2/22/2024. The list misspells Spring Break as 'Spring Beak'.

Break details

Long weekends in 2026-2027

Besides the breaks above, San Mateo-Foster City School District students have 5 long weekends this school year: three or more days in a row without school.

Days off	Length	Why
Sat, Sep 5 to Mon, Sep 7	3 days	Labor Day
Sat, Sep 19 to Mon, Sep 21	3 days	Yom Kippur
Fri, Jan 15 to Mon, Jan 18	4 days	Teacher workday, no school for students; Martin Luther King Jr. Day
Sat, Feb 13 to Mon, Feb 15	3 days	Presidents' Day
Sat, May 29 to Mon, May 31	3 days	Memorial Day

Nearby districts

Compare San Mateo-Foster City School District with Palo Alto Unified School District or any other district, with the days both are off.

District	First day	Spring break	Last day
San Mateo-Foster City School District	Aug 11	Mar 29 to Apr 2	Jun 10
Palo Alto Unified School District	Aug 13	Apr 5-9	Jun 3
Hayward Unified School District	Aug 17	Mar 26 to Apr 2	Jun 8
Chico Unified School District	Aug 13	Mar 15-19	Jun 3
Oakland Unified School District	Aug 10	Mar 29 to Apr 2	May 27
San Francisco Unified School District	Aug 17	Mar 26 to Apr 2	Jun 2
Fremont Unified School District	Aug 11	Mar 15-19	Jun 1

Frequently asked questions

When is spring break 2027 for San Mateo-Foster City School District?

Spring break is Mon, Mar 29 to Fri, Apr 2, 2027. The last day of school before it is Thursday, March 25, 2027, and students return Monday, April 5, 2027.

When does the 2026-2027 school year start and end for San Mateo-Foster City School District?

The first day of school is Tuesday, August 11, 2026 and the last day is Thursday, June 10, 2027, 180 student days in total.

When is winter break 2026 for San Mateo-Foster City School District?

Winter break runs Thu, Dec 17, 2026 to Mon, Jan 4, 2027. Counting weekends and the adjacent days without school, students are off 20 days in a row and go back Wednesday, January 6, 2027.

How long is Thanksgiving break in San Mateo-Foster City School District?

5 school days: Mon, Nov 23 to Fri, Nov 27, 2026.

How many school days are in the San Mateo-Foster City School District 2026-2027 calendar?

180 student days, as stated on the district's calendar. Our count of every weekday between the first and last day, minus the breaks, holidays and teacher workdays listed below, gives the same number.

Where do these San Mateo-Foster City School District dates come from?

Source: the district's “San Mateo-Foster City School District 2026-2027 Calendar (Board Approved 2/22/2024)”, checked on September 29, 2026. We link the document on this page; if the district changes it, we update the dates and the “verified” date.

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About the district: San Mateo-Foster City School District is based in Foster City, California (San Mateo County), with about 9,926 students in 22 schools (NCES Common Core of Data, 2024-25). District website: www.smfcsd.net. See all California school calendars.