Cupertino Union School District Calendar 2026-2027
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The school calendar is essential for schools to coordinate and communicate with all the students and parents of various classes and in different schools. Because of this, a school must maintain a proper calendar that delineates student and non-student days, school and non-school days, as well as the various breaks throughout the year.
This page contains the major holiday dates from the 2026 school calendar for Cupertino Union School District in California.
Please check back regularly for any amendments that may occur, or consult the Cupertino Union School District website for their 2026-2027 approved calendar. You may also wish to visit the school district homepage to check for any urgent or last-minute updates that may not have been incorporated into the official calendars.
Also note that we have incorporated non-student days such as teachers preparation days, teachers services days, and professional development days into the dates below. Visit the link above to view the full, original school calendar.
Here is the 2025-2026 Academic Calendar for Cupertino Union School District (California): Cupertino Union School District
Cupertino Union School District — 2025-2026 Key Dates
Table of Interests
All Schools (Except Murdock-Portal Elementary)
Teachers Return: August 11, 2025
Students Return: August 14, 2025
TK & K Student Minimum Day:
• August 14, 2025
• August 15, 2025Labor Day Holiday: September 1, 2025
Staff Learning Day: September 22, 2025
Student Minimum Day: September 26, 2025
Elementary Parent/Teacher Conferences: October 2-10, 2025
Student Minimum Day: October 23, 2025
Staff Learning Day: October 24, 2025
Student Minimum Day: November 7, 2025
Veterans’ Day Holiday: November 11, 2025
Thanksgiving Recess: November 24-28, 2025
Winter Recess: December 22, 2025 – January 2, 2026
Students Return: January 5, 2026
Student Minimum Day: January 16, 2026
Holiday – Martin Luther King Day: January 19, 2026
Student Minimum Day: February 13, 2026
Mid-Year Recess: February 16-20, 2026
Student Minimum Day: March 13, 2026
Spring Recess: April 13-17, 2026
Student Minimum Day: May 1, 2026
Staff Learning Day: May 4, 2026
Student Minimum Day: May 22, 2026
Memorial Day Holiday (observed): May 25, 2026
Student Minimum Day: June 4, 2026
Last Day of School (Minimum Day): June 5, 2026
Murdock-Portal Elementary School has a slightly different schedule.
Teachers Return: July 28, 2025
Students Return: July 31, 2025
Parent/Teacher Conferences: August 21-29, 2025
… (then many of the same holidays/recess periods etc., but some different minimum-days and last day: June 12, 2026)
Cupertino Union School District Calendar 2022-2023
| SCHOOL HOLIDAYS | STARTS | FINISHES |
|---|---|---|
| First Day of School | 18 Aug 2022 (Thu) | |
| Thanksgiving Break | 21 Nov 2022 (Mon) | 25 Nov 2022 (Fri) |
| Christmas Break | 23 Dec 2022 (Fri) | 6 Jan 2023 (Fri) |
| Mid Winter Break | 20 Feb 2023 (Mon) | 24 Feb 2023 (Fri) |
| Spring Break | 17 Apr 2023 (Mon) | 21 Apr 2023 (Fri) |
| Last Day of School | 13 Jun 2023 (Tue) | |
| Summer Break | 14 Jun 2023 (Wed) |
