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Sunnyvale ISD District TX Calendar 26-27

  • 2026/27
  • Texas
  • 6 teacher days

The Sunnyvale ISD District 2026–27 school year runs from Aug 12, 2026 to May 27, 2027. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21-31, and spring break Mar 15-19. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 12, 2026 First Day of School
School year ends Thu, May 27, 2027 Last Day of School / Early Release
Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

Sunnyvale ISD District 2026-27 calendar

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

Sunnyvale ISD District 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
  • Early release / half day
  • Parent-teacher conference
  • Grading period / report cards
  • Testing / exams
  • Other scheduled date

August 2026

  • Aug 3-4, 2026 — New Teacher
  • Aug 5-11, 2026 — Staff Development
  • Aug 12, 2026 — First Day of School
  • Aug 12, 2026 — Begin 1st Quarter

September 2026

  • Sep 7, 2026 — Labor Day
  • Sep 8, 2026 — Staff Development
  • Sep 28-30, 2026 — Fall Break

October 2026

  • Oct 1-2, 2026 — Fall Break
  • Oct 16, 2026 — End of 1st Quarter
  • Oct 19, 2026 — Begin 2nd Quarter
  • Oct 30, 2026 — Prep Day / Parent Conferences

November 2026

  • Nov 2, 2026 — Staff Development / Parent Conferences
  • Nov 23, 2026 — Trade Day
  • Nov 23-27, 2026 — Thanksgiving Break

December 2026

  • Dec 18, 2026 — Early Release
  • Dec 18, 2026 — End of 2nd Quarter
  • Dec 21-31, 2026 — Winter Break

January 2027

  • Jan 1, 2027 — Winter Break
  • Jan 4, 2027 — Trade Day
  • Jan 5, 2027 — Staff Development
  • Jan 6, 2027 — Begin 3rd Quarter
  • Jan 18, 2027 — MLK Jr. Holiday

February 2027

  • Feb 12, 2027 — Prep Day
  • Feb 15, 2027 — Staff Development

March 2027

  • Mar 12, 2027 — End of 3rd Quarter
  • Mar 15-19, 2027 — Spring Break
  • Mar 22, 2027 — Begin 4th Quarter
  • Mar 26, 2027 — Trade Day / Good Friday
  • Mar 29, 2027 — Prep Day / Parent Conferences

April 2027

  • Apr 12-23, 2027 — STAAR/EOC Testing
  • Apr 30, 2027 — Prep Day

May 2027

  • May 10, 2027 — Prep Day
  • May 27, 2027 — Last Day of School / Early Release
  • May 28, 2027 — Teacher Work Day

June 2027

July 2027

Sunnyvale ISD District teacher and staff days 2026/27

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

  • Aug 3-4, 2026 New Teacher District source
  • Aug 5-11, 2026 Staff Development District source
  • Sep 8, 2026 Staff Development District source
  • Jan 5, 2027 Staff Development District source
  • Feb 15, 2027 Staff Development District source
  • May 28, 2027 Teacher Work Day District source

Sunnyvale ISD District breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day Holiday
  • Sep 28-30, 2026 Fall Break Break
  • Oct 1-2, 2026 Fall Break Break
  • Nov 23-27, 2026 Thanksgiving Break Break
  • Dec 21-31, 2026 Winter Break Break
  • Jan 1, 2027 Winter Break Break
  • Jan 18, 2027 MLK Jr. Holiday Holiday
  • Mar 15-19, 2027 Spring Break Break
  • Mar 26, 2027 Trade Day / Good Friday Holiday

Your checked 2026/27 Sunnyvale ISD District planning calendar

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

Useful now34 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 30, 2026.
Full term dates table

Sunnyvale ISD District 2026–27 calendar dates

DateEvent
Aug 3-4, 2026New Teacher
Aug 5-11, 2026Staff Development
Aug 12, 2026First Day of School
Aug 12, 2026Begin 1st Quarter
Sep 7, 2026Labor Day
Sep 8, 2026Staff Development
Sep 28-30, 2026Fall Break
Oct 1-2, 2026Fall Break
Oct 16, 2026End of 1st Quarter
Oct 19, 2026Begin 2nd Quarter
Oct 30, 2026Prep Day / Parent Conferences
Nov 2, 2026Staff Development / Parent Conferences
Nov 23, 2026Trade Day
Nov 23-27, 2026Thanksgiving Break
Dec 18, 2026Early Release
Dec 18, 2026End of 2nd Quarter
Dec 21-31, 2026Winter Break
Jan 1, 2027Winter Break
Jan 4, 2027Trade Day
Jan 5, 2027Staff Development
Jan 6, 2027Begin 3rd Quarter
Jan 18, 2027MLK Jr. Holiday
Feb 12, 2027Prep Day
Feb 15, 2027Staff Development
Mar 12, 2027End of 3rd Quarter
Mar 15-19, 2027Spring Break
Mar 22, 2027Begin 4th Quarter
Mar 26, 2027Trade Day / Good Friday
Mar 29, 2027Prep Day / Parent Conferences
Apr 12-23, 2027STAAR/EOC Testing
Apr 30, 2027Prep Day
May 10, 2027Prep Day
May 27, 2027Last Day of School / Early Release
May 28, 2027Teacher Work Day

Sunnyvale ISD Calendar 2026-2027 FAQs

When is the first day of school in Sunnyvale ISD 2026-2027?
The first day of school in Sunnyvale ISD for the 2026-2027 calendar year is August 12, 2026.
When is spring break in Sunnyvale ISD 2026-2027?
Spring break in Sunnyvale ISD is scheduled from March 15 to March 19, 2027.
When is Christmas break in Sunnyvale ISD 2026-2027?
Christmas break in Sunnyvale ISD begins on December 21, 2026 and continues through January 1, 2027.
When is winter break in Sunnyvale ISD 2026-2027?
Winter break in Sunnyvale ISD runs from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Sunnyvale ISD 2026-2027?
Thanksgiving break in Sunnyvale ISD is from November 23 to November 27, 2026.
When is the last day of school in Sunnyvale ISD 2026-2027?
The last day of school in Sunnyvale ISD is May 27, 2027, and it is an early release day.
When does the second quarter begin in Sunnyvale ISD 2026-2027?
The second quarter begins on October 19, 2026.
When does the third quarter begin in Sunnyvale ISD 2026-2027?
The third quarter begins on January 6, 2027.
When does the fourth quarter begin in Sunnyvale ISD 2026-2027?
The fourth quarter begins on March 22, 2027.
When is STAAR/EOC testing in Sunnyvale ISD 2026-2027?
STAAR/EOC testing is scheduled from April 12 to April 23, 2027.

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Sunnyvale ISD District calendar FAQs

When is the first day of school in Sunnyvale ISD 2026-2027?
The first day of school in Sunnyvale ISD for the 2026-2027 calendar year is August 12, 2026.
When is spring break in Sunnyvale ISD 2026-2027?
Spring break in Sunnyvale ISD is scheduled from March 15 to March 19, 2027.
When is Christmas break in Sunnyvale ISD 2026-2027?
Christmas break in Sunnyvale ISD begins on December 21, 2026 and continues through January 1, 2027.
When is winter break in Sunnyvale ISD 2026-2027?
Winter break in Sunnyvale ISD runs from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Sunnyvale ISD 2026-2027?
Thanksgiving break in Sunnyvale ISD is from November 23 to November 27, 2026.
When is the last day of school in Sunnyvale ISD 2026-2027?
The last day of school in Sunnyvale ISD is May 27, 2027, and it is an early release day.
When does the second quarter begin in Sunnyvale ISD 2026-2027?
The second quarter begins on October 19, 2026.
When does the third quarter begin in Sunnyvale ISD 2026-2027?
The third quarter begins on January 6, 2027.
When does the fourth quarter begin in Sunnyvale ISD 2026-2027?
The fourth quarter begins on March 22, 2027.
When is STAAR/EOC testing in Sunnyvale ISD 2026-2027?
STAAR/EOC testing is scheduled from April 12 to April 23, 2027.

Dates can change after publication. Read our calendar disclaimer.