Official School Calendar for Academic Year 2026–2027
Castro Valley Unified School District usd 2026–27 calendar dates
| Date | Event |
|---|---|
| Jul 3, 2026 | 4th of July Holiday |
| Jul 31, 2026 | New Certificated Employee Work Day |
| Aug 3, 2026 | Staff Development Day (No School) |
| Aug 4, 2026 | Certificated Work Day |
| Aug 5, 2026 | First Day of School |
| Sep 7, 2026 | Labor Day |
| Sep 25, 2026 | Student Advisement Conference (No School Pre-5) |
| Oct 9, 2026 | Fall Non-School Day |
| Oct 12, 2026 | Fall Non-School Day |
| Oct 13, 2026 | Staff Development Day (No School) |
| Nov 11, 2026 | Veterans Day |
| Nov 23-27, 2026 | Thanksgiving Break |
| Dec 21, 2026 - Jan 1, 2027 | Winter Break |
| Jan 4, 2027 | 6-12 Certificated Work Day (No School 6-12) |
| Jan 18, 2027 | Martin Luther King Jr. Birthday |
| Feb 15-19, 2027 | Presidents Day Break |
| Mar 29 - Apr 2, 2027 | Spring Break / Cesar Chavez Holiday |
| Apr 26, 2027 | Spring Non-School Day |
| May 28, 2027 | Last Day of School |
| May 31, 2027 | Memorial Day |
| Jun 1, 2027 | Certificated Work Day |
| Jun 18, 2027 | Juneteenth |
Castro Valley Unified School District Calendar 2026-2027 FAQs
When is the first day of school in Castro Valley Unified School District for 2026-2027?
The first day of school in Castro Valley Unified School District for the 2026-2027 academic year is August 5, 2026.
When is spring break in Castro Valley Unified School District for 2026-2027?
Spring Break in Castro Valley Unified School District is scheduled from March 29 to April 2, 2027.
When is Christmas break in Castro Valley Unified School District for 2026-2027?
Christmas Break in Castro Valley Unified School District runs from December 21, 2026 through January 1, 2027.
When is winter break in Castro Valley Unified School District for 2026-2027?
Winter Break in Castro Valley Unified School District is from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Castro Valley Unified School District for 2026-2027?
Thanksgiving Break in Castro Valley Unified School District takes place from November 23 to November 27, 2026.
When is the last day of school in Castro Valley Unified School District for 2026-2027?
The last day of school in Castro Valley Unified School District for the 2026-2027 school year is May 28, 2027.
When is Labor Day in Castro Valley Unified School District for the 2026-2027 school year?
Labor Day will be observed on September 7, 2026 in Castro Valley Unified School District.
When is Presidents Day Break in Castro Valley Unified School District for 2026-2027?
Presidents Day Break in Castro Valley Unified School District is scheduled from February 15 through February 19, 2027.
When is Martin Luther King Jr. Day in Castro Valley Unified School District for 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027 in Castro Valley Unified School District.
When is Memorial Day in Castro Valley Unified School District for the 2026-2027 school year?
Memorial Day will be observed on May 31, 2027 in Castro Valley Unified School District.
Dates can change after publication. Read our calendar disclaimer.