Cupertino Union School District Calendar 2026-2027

Spring break 2027 for Cupertino Union School District falls on Apr 12-16, 2027, and winter break runs December 21, 2026 to January 1, 2027. The school year opens August 13, 2026 and closes June 4, 2027, with 180 days of instruction.

Cupertino Union School District publishes 2 calendars for 2026-2027: All schools except Murdock-Portal Elementary, Murdock-Portal Elementary School. The all schools except murdock-portal elementary is shown first; switch with the buttons below.

Checking today…

First dayThu, Aug 13, 2026

Last dayFri, Jun 4, 2027

Spring breakApr 12-16, 2027back Mon, Apr 19, 2027

Winter breakDec 21 to Jan 1back Mon, Jan 4, 2027

All 2026-2027 dates: All schools except Murdock-Portal Elementary

180 student days by our count · Weekends are not listed. Past dates are dimmed.

Cupertino Union School District 2026-2027 All schools except Murdock-Portal Elementary dates
Date	Event
Thu, Aug 13, 2026	First day of school
Mon, Sep 7, 2026	Labor Day
Fri, Sep 18, 2026	Early release
Mon, Sep 21, 2026	Teacher workday, no school for students
Fri, Oct 23, 2026	Teacher workday, no school for students
Wed, Nov 11, 2026	Holiday - Veterans' Day
Fri, Nov 20, 2026	Early release
Mon, Nov 23 to Fri, Nov 27, 2026	Thanksgiving Recess · 5 school days off
Fri, Dec 11, 2026	Early release
Mon, Dec 21, 2026 to Fri, Jan 1, 2027	Winter Recess · 10 school days off
Mon, Jan 18, 2027	Martin Luther King Jr. Day
Fri, Jan 29, 2027	Early release
Fri, Feb 12, 2027	Early release
Mon, Feb 15 to Fri, Feb 19, 2027	Mid-Year Recess · 5 school days off
Fri, Mar 19, 2027	Early release
Mon, Apr 12 to Fri, Apr 16, 2027	Spring Recess · 5 school days off
Fri, Apr 23, 2027	Early release
Thu, May 6, 2027	Early release
Fri, May 7, 2027	Teacher workday, no school for students
Mon, May 31, 2027	Memorial Day
Fri, Jun 4, 2027	Early release
Fri, Jun 4, 2027	Last day of school

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Verified against Cupertino Union School District’s official 2026-2027 calendar on September 29, 2026. Confidence: Medium.

Source: Academic Calendar 2026-2027 School Calendars - All Schools (Except Murdock-Portal) (web page) · 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: Students return Aug 13, 2026. TK students have minimum days Aug 13 - Sept 4, 2026. Kindergarten has minimum days Aug 13 and Aug 14. Elementary Parent-Teacher Conferences are listed for Oct 1-9, 2026, but the document does not say whether school is in session, so they are not listed as days off. Mid-Year Recess (Feb 15-19, 2027) covers Presidents' Day, but the document does not name that holiday. The last day of school, June 4, 2027, is a minimum day. Staff Learning Days are treated as no school for students.

Checking today…

First dayThu, Jul 30, 2026

Last dayFri, Jun 11, 2027

Spring breakApr 5-16, 2027back Mon, Apr 19, 2027

Winter breakDec 21 to Jan 1back Mon, Jan 4, 2027

All 2026-2027 dates: Murdock-Portal Elementary School

180 student days by our count · Weekends are not listed. Past dates are dimmed.

Cupertino Union School District 2026-2027 Murdock-Portal Elementary School dates
Date	Event
Thu, Jul 30, 2026	First day of school
Mon, Aug 10, 2026	Early release
Mon, Sep 7, 2026	Labor Day
Fri, Sep 18, 2026	Early release
Mon, Sep 21, 2026	Teacher workday, no school for students
Mon, Sep 28 to Fri, Oct 9, 2026	Fall Recess · 10 school days off
Fri, Oct 23, 2026	Teacher workday, no school for students
Wed, Nov 11, 2026	Holiday - Veterans' Day
Fri, Nov 20, 2026	Early release
Mon, Nov 23 to Fri, Nov 27, 2026	Thanksgiving Recess · 5 school days off
Fri, Dec 11, 2026	Early release
Mon, Dec 21, 2026 to Fri, Jan 1, 2027	Winter Recess · 10 school days off
Mon, Jan 18, 2027	Martin Luther King Jr. Day
Fri, Jan 29, 2027	Early release
Fri, Feb 12, 2027	Early release
Mon, Feb 15 to Fri, Feb 19, 2027	Mid-Year Recess · 5 school days off
Fri, Mar 26, 2027	Early release
Mon, Apr 5 to Fri, Apr 16, 2027	Spring Recess · 10 school days off
Fri, Apr 23, 2027	Early release
Thu, May 6, 2027	Early release
Fri, May 7, 2027	Teacher workday, no school for students
Mon, May 31, 2027	Memorial Day
Fri, Jun 11, 2027	Early release
Fri, Jun 11, 2027	Last day of school

Download calendar (.ics) Add to Google Calendar Apple / Outlook

Subscribing keeps your calendar in sync: if the district changes a date, we update the feed.

Verified against Cupertino Union School District’s official 2026-2027 calendar on September 29, 2026. Confidence: Medium.

Source: Academic Calendar 2026-2027 School Calendars - Murdock-Portal Elementary School (web page) · 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: Murdock-Portal starts earlier (Jul 30, 2026) and ends Jun 11, 2027. Kindergarten has minimum days Jul 30 and Jul 31. M-P Parent-Teacher Conferences are listed for Aug 20-28, 2026 and Mar 17-25, 2027, but the document does not say whether school is in session, so they are not listed as days off. Mid-Year Recess (Feb 15-19, 2027) covers Presidents' Day, but the document does not name that holiday. The last day, Jun 11, 2027, is a minimum day. Staff Learning Days are treated as no school for students.

Break details

Long weekends in 2026-2027

Besides the breaks above, Cupertino Union School District students have 6 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	Teacher workday, no school for students
Fri, Oct 23 to Sun, Oct 25	3 days	Teacher workday, no school for students
Sat, Jan 16 to Mon, Jan 18	3 days	Martin Luther King Jr. Day
Fri, May 7 to Sun, May 9	3 days	Teacher workday, no school for students
Sat, May 29 to Mon, May 31	3 days	Memorial Day

Nearby districts

Compare Cupertino Union School District with Fremont Union High School District or any other district, with the days both are off.

District	First day	Spring break	Last day
Cupertino Union School District	Aug 13	Apr 12-16	Jun 4
Fremont Union High School District	Aug 17	Apr 12-16	Jun 3
Santa Clara Unified School District	Aug 10	none	Jun 4
Palo Alto Unified School District	Aug 13	Apr 5-9	Jun 3
East Side Union High School District	Aug 6	Apr 5-9	Jun 3
Fremont Unified School District	Aug 11	Mar 15-19	Jun 1
San Mateo-Foster City School District	Aug 11	Mar 29 to Apr 2	Jun 10

Frequently asked questions

When is spring break 2027 for Cupertino Union School District?

Spring break is Mon, Apr 12 to Fri, Apr 16, 2027. The last day of school before it is Friday, April 9, 2027, and students return Monday, April 19, 2027.

When does the 2026-2027 school year start and end for Cupertino Union School District?

The first day of school is Thursday, August 13, 2026 and the last day is Friday, June 4, 2027.

Is there school on Veterans Day in Cupertino Union School District?

No. Wednesday, November 11, 2026 is a day off for students (Holiday - Veterans' Day).

Is there school on Martin Luther King Jr. Day in Cupertino Union School District?

No. Monday, January 18, 2027 is a day off for students (Martin Luther King Jr. Day).

Is there school on Presidents’ Day in Cupertino Union School District?

No. Monday, February 15, 2027 is a day off for students (Mid-Year Recess).

Where do these Cupertino Union School District dates come from?

Source: the district's “Academic Calendar 2026-2027 School Calendars - All Schools (Except Murdock-Portal)”, 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: Cupertino Union School District is based in Sunnyvale, California (Santa Clara County), with about 13,533 students in 23 schools (NCES Common Core of Data, 2024-25). District website: www.cusdk8.org. See all California school calendars.