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Irvine Unified School District IUSD CA Calendar 26-27

  • 2026/27
  • California
  • 6 teacher days

The Irvine Unified School District IUSD 2026–27 school year runs from Jul 20, 2026 to Jan 1, 2027. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21, and spring break Mar 22. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Jul 20, 2026 First Day for Year-Round Students
School year ends Fri, Jun 4, 2027 Last Day of School
Next key date Mon, Jul 20, 2026 Counts down once the school year is under way

Irvine Unified School District IUSD 2026-27 calendar

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Irvine Unified School District IUSD 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
  • Other scheduled date

August 2026

  • Aug 13 & 17, 2026 — Teacher Workday: Traditional Schools
  • Aug 14, 2026 — Staff Development Day (PK-12)
  • Aug 18, 2026 — First Day for Traditional Students (PK-12)

September 2026

  • Sep 7, 2026 — Labor Day
  • Sep 21-Oct 9, 2026 — Year Round Fall Break

October 2026

  • Sep 21-Oct 9, 2026 — Year Round Fall Break
  • Oct 12, 2026 — Staff Development Day/Student Holiday (PK-12)

November 2026

  • Nov 11, 2026 — Veteran's Day Observance
  • Nov 23-27, 2026 — Thanksgiving Holiday
  • Nov 25, 2026 — Lincoln’s Day (moved to this date)

December 2026

  • Dec 21, 2026 — First Day of Winter Recess – Year Round & Traditional

January 2027

  • Jan 1, 2027 — Last Day of Winter Break
  • Jan 15, 2027 — Teacher Work Day/Student Holiday (Traditional Only)
  • Jan 18, 2027 — Martin Luther King Jr. Day Observance

February 2027

  • Feb 12, 2027 — Staff Development Day/Student Holiday (TK-12)
  • Feb 15, 2027 — President’s Day Observance (Washington)

March 2027

  • Mar 1, 2027 — Teacher/Student Holiday (PK-12)
  • Mar 22, 2027 — First Day of Spring Recess - Year Round
  • Mar 29, 2027 — First Day of Spring Recess - Traditional Students

April 2027

  • Apr 2, 2027 — Last Day of Spring Recess

May 2027

  • May 31, 2027 — Memorial Day Observance

June 2027

  • Jun 4, 2027 — Last Day of School
  • Jun 18, 2027 — Juneteenth

July 2027

Irvine Unified School District IUSD teacher and staff days 2026/27

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

  • Jul 16-17, 2026 Teacher Workdays: Year-round Schools District source
  • Aug 13 & 17, 2026 Teacher Workday: Traditional Schools District source
  • Aug 14, 2026 Staff Development Day (PK-12) District source
  • Oct 12, 2026 Staff Development Day/Student Holiday (PK-12) District source
  • Jan 15, 2027 Teacher Work Day/Student Holiday (Traditional Only) District source
  • Feb 12, 2027 Staff Development Day/Student Holiday (TK-12) District source

Irvine Unified School District IUSD breaks and holidays

School is closed to students on these dates.

  • Jul 3, 2026 Independence Day Holiday Holiday
  • Sep 7, 2026 Labor Day Holiday
  • Sep 21-Oct 9, 2026 Year Round Fall Break Break
  • Nov 23-27, 2026 Thanksgiving Holiday Holiday
  • Jan 18, 2027 Martin Luther King Jr. Day Observance Holiday
  • Feb 15, 2027 President’s Day Observance (Washington) Holiday
  • Mar 1, 2027 Teacher/Student Holiday (PK-12) Holiday
  • May 31, 2027 Memorial Day Observance Holiday
  • Jun 18, 2027 Juneteenth Holiday

Your checked 2026/27 Irvine Unified School District IUSD planning calendar

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

Useful now25 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

Irvine Unified School District IUSD 2026–27 calendar dates

DateEvent
Jul 3, 2026Independence Day Holiday
Jul 16-17, 2026Teacher Workdays: Year-round Schools
Jul 20, 2026First Day for Year-Round Students
Aug 13 & 17, 2026Teacher Workday: Traditional Schools
Aug 14, 2026Staff Development Day (PK-12)
Aug 18, 2026First Day for Traditional Students (PK-12)
Sep 7, 2026Labor Day
Sep 21-Oct 9, 2026Year Round Fall Break
Oct 12, 2026Staff Development Day/Student Holiday (PK-12)
Nov 11, 2026Veteran's Day Observance
Nov 23-27, 2026Thanksgiving Holiday
Nov 25, 2026Lincoln’s Day (moved to this date)
Dec 21, 2026First Day of Winter Recess – Year Round & Traditional
Jan 1, 2027Last Day of Winter Break
Jan 15, 2027Teacher Work Day/Student Holiday (Traditional Only)
Jan 18, 2027Martin Luther King Jr. Day Observance
Feb 12, 2027Staff Development Day/Student Holiday (TK-12)
Feb 15, 2027President’s Day Observance (Washington)
Mar 1, 2027Teacher/Student Holiday (PK-12)
Mar 22, 2027First Day of Spring Recess - Year Round
Mar 29, 2027First Day of Spring Recess - Traditional Students
Apr 2, 2027Last Day of Spring Recess
May 31, 2027Memorial Day Observance
Jun 4, 2027Last Day of School
Jun 18, 2027Juneteenth

Irvine Unified School District Calendar 2026-2027 – Important FAQs

When is the first day of school in Irvine Unified School District for 2026-2027?
The first day of school for traditional students in Irvine Unified School District for the 2026-2027 school year is August 18, 2026.
When is spring break in Irvine Unified School District 2027?
Spring break for traditional students in Irvine Unified School District begins on March 29, 2027 and ends on April 2, 2027.
When is Christmas break in Irvine Unified School District 2026?
Christmas break in Irvine Unified School District begins on December 21, 2026 as part of the winter recess.
When is winter break in Irvine Unified School District 2026-2027?
Winter break in Irvine Unified School District starts on December 21, 2026 and ends on January 1, 2027.
When is Thanksgiving break in Irvine Unified School District 2026?
Thanksgiving break in Irvine Unified School District runs from November 23 through November 27, 2026.
When is the last day of school in Irvine Unified School District for 2026-2027?
The last day of school in Irvine Unified School District for the 2026-2027 academic year is June 4, 2027.
When is Labor Day in Irvine Unified School District 2026?
Labor Day holiday is observed on September 7, 2026 in Irvine Unified School District.
When is Martin Luther King Jr. Day in Irvine Unified School District 2027?
Martin Luther King Jr. Day is observed on January 18, 2027 in Irvine Unified School District.
When is Memorial Day in Irvine Unified School District 2027?
Memorial Day is observed on May 31, 2027.
When is Juneteenth in Irvine Unified School District 2027?
Juneteenth is observed on June 18, 2027 in Irvine Unified School District.

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Irvine Unified School District IUSD calendar FAQs

When is the first day of school in Irvine Unified School District for 2026-2027?
The first day of school for traditional students in Irvine Unified School District for the 2026-2027 school year is August 18, 2026.
When is spring break in Irvine Unified School District 2027?
Spring break for traditional students in Irvine Unified School District begins on March 29, 2027 and ends on April 2, 2027.
When is Christmas break in Irvine Unified School District 2026?
Christmas break in Irvine Unified School District begins on December 21, 2026 as part of the winter recess.
When is winter break in Irvine Unified School District 2026-2027?
Winter break in Irvine Unified School District starts on December 21, 2026 and ends on January 1, 2027.
When is Thanksgiving break in Irvine Unified School District 2026?
Thanksgiving break in Irvine Unified School District runs from November 23 through November 27, 2026.
When is the last day of school in Irvine Unified School District for 2026-2027?
The last day of school in Irvine Unified School District for the 2026-2027 academic year is June 4, 2027.
When is Labor Day in Irvine Unified School District 2026?
Labor Day holiday is observed on September 7, 2026 in Irvine Unified School District.
When is Martin Luther King Jr. Day in Irvine Unified School District 2027?
Martin Luther King Jr. Day is observed on January 18, 2027 in Irvine Unified School District.
When is Memorial Day in Irvine Unified School District 2027?
Memorial Day is observed on May 31, 2027.
When is Juneteenth in Irvine Unified School District 2027?
Juneteenth is observed on June 18, 2027 in Irvine Unified School District.

Dates can change after publication. Read our calendar disclaimer.