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Castro Valley Unified School District usd CA Calendar 26-27

  • 2026/27
  • California
  • 6 teacher days

The Castro Valley Unified School District usd 2026–27 school year runs from Aug 5, 2026 to May 28, 2027. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21 - Jan 1, and spring break Mar 29 - Apr 2. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 5, 2026 First Day of School
School year ends Fri, May 28, 2027 Last Day of School
Next key date Wed, Aug 5, 2026 Counts down once the school year is under way

Castro Valley Unified School District usd 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Castro Valley Unified School District usd school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Parent-teacher conference
  • Other scheduled date

August 2026

  • Aug 3, 2026 — Staff Development Day (No School)
  • Aug 4, 2026 — Certificated Work Day
  • Aug 5, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — Labor Day
  • Sep 25, 2026 — Student Advisement Conference (No School Pre-5)

October 2026

  • Oct 9, 2026 — Fall Non-School Day
  • Oct 12, 2026 — Fall Non-School Day
  • Oct 13, 2026 — Staff Development Day (No School)

November 2026

  • Nov 11, 2026 — Veterans Day
  • Nov 23-27, 2026 — Thanksgiving Break

December 2026

  • Dec 21, 2026 - Jan 1, 2027 — Winter Break

January 2027

  • 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

February 2027

  • Feb 15-19, 2027 — Presidents Day Break

March 2027

  • Mar 29 - Apr 2, 2027 — Spring Break / Cesar Chavez Holiday

April 2027

  • Mar 29 - Apr 2, 2027 — Spring Break / Cesar Chavez Holiday
  • Apr 26, 2027 — Spring Non-School Day

May 2027

  • May 28, 2027 — Last Day of School
  • May 31, 2027 — Memorial Day

June 2027

  • Jun 1, 2027 — Certificated Work Day
  • Jun 18, 2027 — Juneteenth

July 2027

Castro Valley Unified School District usd teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Jul 31, 2026 New Certificated Employee Work Day District source
  • Aug 3, 2026 Staff Development Day (No School) District source
  • Aug 4, 2026 Certificated Work Day District source
  • Oct 13, 2026 Staff Development Day (No School) District source
  • Jan 4, 2027 6-12 Certificated Work Day (No School 6-12) District source
  • Jun 1, 2027 Certificated Work Day District source

Castro Valley Unified School District usd breaks and holidays

School is closed to students on these dates.

  • Jul 3, 2026 4th of July Holiday Holiday
  • Sep 7, 2026 Labor Day Holiday
  • Nov 11, 2026 Veterans Day Holiday
  • Nov 23-27, 2026 Thanksgiving Break Break
  • Dec 21, 2026 - Jan 1, 2027 Winter Break Break
  • Jan 18, 2027 Martin Luther King Jr. Birthday Holiday
  • Feb 15-19, 2027 Presidents Day Break Break
  • Mar 29 - Apr 2, 2027 Spring Break / Cesar Chavez Holiday Break
  • May 31, 2027 Memorial Day Holiday
  • Jun 18, 2027 Juneteenth Holiday

Your checked 2026/27 Castro Valley Unified School District usd planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now22 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated April 29, 2026.
Full term dates table

Castro Valley Unified School District usd 2026–27 calendar dates

DateEvent
Jul 3, 20264th of July Holiday
Jul 31, 2026New Certificated Employee Work Day
Aug 3, 2026Staff Development Day (No School)
Aug 4, 2026Certificated Work Day
Aug 5, 2026First Day of School
Sep 7, 2026Labor Day
Sep 25, 2026Student Advisement Conference (No School Pre-5)
Oct 9, 2026Fall Non-School Day
Oct 12, 2026Fall Non-School Day
Oct 13, 2026Staff Development Day (No School)
Nov 11, 2026Veterans Day
Nov 23-27, 2026Thanksgiving Break
Dec 21, 2026 - Jan 1, 2027Winter Break
Jan 4, 20276-12 Certificated Work Day (No School 6-12)
Jan 18, 2027Martin Luther King Jr. Birthday
Feb 15-19, 2027Presidents Day Break
Mar 29 - Apr 2, 2027Spring Break / Cesar Chavez Holiday
Apr 26, 2027Spring Non-School Day
May 28, 2027Last Day of School
May 31, 2027Memorial Day
Jun 1, 2027Certificated Work Day
Jun 18, 2027Juneteenth

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.

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Castro Valley Unified School District usd calendar 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.