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Castro Valley Unified 2026-2027 School Calendar Holidays, breaks, and no school days

Castro Valley, CA

Next no-school day
Wednesday
November 11
Veterans Day
No-school days
30 weekdays
10 single days + 20 break days
First day
Wednesday
August 5
2026
Last day
Friday
May 28
2027
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School year at a glance

First Day Last Day No School Break Some grades off Early Release Holiday School Day

Breaks and holidays

Is there school on Labor Day?

Mon, Sep 7
No school

Is there school on Veterans Day?

Wed, Nov 11
No school

When is Thanksgiving break 2026?

Nov 23–27
9 days off with weekends

When is winter break 2026?

Dec 21 – Jan 1
16 days off with weekends

Is there school on Martin Luther King Jr. Day?

Mon, Jan 18
No school

When is mid-winter break 2027?

Feb 15–19
9 days off with weekends

When is spring break 2027?

Mar 29 – Apr 2
9 days off with weekends

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

July 2026

  • Independence Day Friday, July 3rd No school
  • Teacher Workday Friday, July 31st No school

August 2026

  • Professional Development Day Monday, August 3rd No school
  • First Day of School Wednesday, August 5th First day

September 2026

  • Labor Day Monday, September 7th · Federal holiday No school
  • Early Release Tuesday, September 22nd Early release
  • Early Release Wednesday, September 23rd Early release
  • Early Release Thursday, September 24th Early release
  • Student Advisement Conference Friday, September 25th No school

October 2026

  • Early Release Tuesday, October 6th Early release
  • Early Release Thursday, October 8th Early release
  • Columbus Day Monday, October 12th · Not on the school calendar Federal holiday
  • Professional Development Day Tuesday, October 13th No school

November 2026

  • No School (Grades 6-12 only) Wednesday, November 4th Some grades off
  • Early Release Tuesday, November 10th Early release
  • Veterans Day Wednesday, November 11th · Federal holiday No school
  • Early Release Thursday, November 12th Early release
  • Thanksgiving Break Monday, November 23rd – Friday, November 27th · 5 school days off · Includes Thanksgiving Day (federal holiday), Day after Thanksgiving (state holiday) Break

December 2026

  • Early Release Thursday, December 17th Early release
  • Early Release Friday, December 18th Early release
  • Winter Break Monday, December 21st – Friday, January 1st · 10 school days off · Includes Christmas Day (federal holiday), New Year's Day (federal holiday) Break

January 2027

  • Martin Luther King Jr. Day Monday, January 18th · Federal holiday No school

February 2027

  • Presidents' Day Monday, February 15th · Federal holiday No school
  • President's Day Break Tuesday, February 16th No school
  • President's Day Break Wednesday, February 17th No school
  • President's Day Break Thursday, February 18th No school
  • President's Day Break Friday, February 19th No school

March 2027

  • Early Release Wednesday, March 3rd Early release
  • Early Release Thursday, March 4th Early release
  • Early Release Thursday, March 18th Early release
  • Early Release Friday, March 19th Early release
  • Early Release Wednesday, March 24th Early release
  • Early Release Thursday, March 25th Early release
  • Spring Break Monday, March 29th – Friday, April 2nd · 5 school days off · Includes Farmworkers Day (state holiday) Break

May 2027

  • Early Release Wednesday, May 26th Early release
  • Early Release Thursday, May 27th Early release
  • Last Day of School Friday, May 28th Last day
  • Memorial Day Monday, May 31st No school

June 2027

  • Juneteenth Friday, June 18th No school

Schools using this calendar

16 schools follow the Castro Valley Unified calendar.

Browse all schools (A–Z)
A
Alma Preschool
C
Canyon MiddleCastro Valley ElementaryCastro Valley HighCastro Valley Virtual AcademyChabot ElementaryCreekside Middle
I
Independent Elementary
J
Jensen Ranch Elementary
M
Marshall Elementary
P
Palomares ElementaryProctor Elementary
R
Redwood Continuation HighRoy A. Johnson High
S
Stanton Elementary
V
Vannoy Elementary

Frequently Asked Questions

When is the first and last day of school at Castro Valley Unified in 2026-2027?
The first day of school at Castro Valley Unified is Wednesday, August 5, 2026. The last day of school is Friday, May 28, 2027. That's a school year of about 42 weeks.
How many school days are in the 2026-2027 school year at Castro Valley Unified?
About 183 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Castro Valley Unified have in 2026-2027?
About 30 weekdays with no school, not counting weekends or summer. That's 20 weekdays of breaks plus ten single days off. There are also five long weekends, where a Friday or Monday off joins the weekend.
What is the longest stretch of school without a day off?
Forty school days in a row (about eight weeks), from Monday, April 5 to Friday, May 28.
Does Castro Valley Unified have early-release or late-start days?
Yes, the 2026-2027 calendar has 17 early-release days. They're marked on the calendar above.

Simple Schedule is not affiliated with Castro Valley Unified. Confirm important dates with the district or your school.

Source: Castro Valley Unified.

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