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Grossmont GUHSD Union High School District CA Calendar 26-27

  • 2026/27
  • California
  • 4 teacher days

The Grossmont GUHSD Union High School District 2026–27 school year runs from Aug 12, 2026 to Dec 17, 2026. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21 - Jan 1, and spring break Mar 22 - Apr 2. The table below lists all teacher workdays 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, Jun 3, 2027 Last Day of School
Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

Grossmont GUHSD Union High School District 2026-27 calendar

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Grossmont GUHSD Union High School 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
  • Grading period / report cards
  • Testing / exams
  • Graduation
  • Other scheduled date

August 2026

  • Aug 7, 2026 — Staff Development Day
  • Aug 10, 2026 — Staff Development Day
  • Aug 11, 2026 — Staff Development Day
  • Aug 12, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — Labor Day (Holiday - All District Units Closed)
  • Sep 18, 2026 — First Student Progress Report (6th Week)

October 2026

  • Oct 30, 2026 — Second Student Progress Report (12th Week)

November 2026

  • Nov 11, 2026 — Veterans Day Observance (Holiday - All District Units Closed)
  • Nov 16-20, 2026 — American Education Week
  • Nov 23-27, 2026 — Thanksgiving Break

December 2026

  • Dec 15-17, 2026 — Final Exams for Students
  • Dec 17, 2026 — Last Day of Student Attendance (First Semester Ends)
  • Dec 21, 2026 - Jan 1, 2027 — Winter Break

January 2027

  • Dec 21, 2026 - Jan 1, 2027 — Winter Break
  • Jan 4, 2027 — School Resumes (Second Semester Begins)
  • Jan 18, 2027 — Martin Luther King Jr. Day (Holiday)

February 2027

  • Feb 1-5, 2027 — National School Counseling Week
  • Feb 8, 2027 — Lincoln Day Observance (Holiday)
  • Feb 12, 2027 — First Student Progress Report (6th Week)
  • Feb 15, 2027 — Washington Day Observance (Holiday)

March 2027

  • Mar 22 - Apr 2, 2027 — Spring Break

April 2027

  • Mar 22 - Apr 2, 2027 — Spring Break
  • Apr 2, 2027 — Classified Employee Holiday
  • Apr 16, 2027 — Second Student Progress Report (2nd Semester)

May 2027

  • May 12, 2027 — Day of the Teacher
  • May 17-21, 2027 — Classified Employee Week
  • May 24, 2027 — Day of the Administrator
  • May 31, 2027 — Memorial Day (Holiday - All District Units Closed)

June 2027

  • Jun 1-3, 2027 — Final Exams for Students
  • Jun 3, 2027 — Last Day of School
  • Jun 3-4, 2027 — Graduation in Regular High Schools
  • Jun 4, 2027 — Faculty Work Day
  • Jun 18, 2027 — Juneteenth (Holiday - All District Units Closed)

July 2027

Grossmont GUHSD Union High School District teacher and staff days 2026/27

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

  • Aug 7, 2026 Staff Development Day District source
  • Aug 10, 2026 Staff Development Day District source
  • Aug 11, 2026 Staff Development Day District source
  • Jun 4, 2027 Faculty Work Day District source

Grossmont GUHSD Union High School District breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day (Holiday - All District Units Closed) Holiday
  • Nov 11, 2026 Veterans Day Observance (Holiday - All District Units Closed) Holiday
  • Nov 23-27, 2026 Thanksgiving Break Break
  • Dec 21, 2026 - Jan 1, 2027 Winter Break Break
  • Jan 18, 2027 Martin Luther King Jr. Day (Holiday) Holiday
  • Feb 8, 2027 Lincoln Day Observance (Holiday) Holiday
  • Feb 15, 2027 Washington Day Observance (Holiday) Holiday
  • Mar 22 - Apr 2, 2027 Spring Break Break
  • Apr 2, 2027 Classified Employee Holiday Holiday
  • May 31, 2027 Memorial Day (Holiday - All District Units Closed) Holiday
  • Jun 18, 2027 Juneteenth (Holiday - All District Units Closed) Holiday

Your checked 2026/27 Grossmont GUHSD Union High School District planning calendar

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

Useful now31 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

Grossmont GUHSD Union High School District 2026–27 calendar dates

DateEvent
Aug 7, 2026Staff Development Day
Aug 10, 2026Staff Development Day
Aug 11, 2026Staff Development Day
Aug 12, 2026First Day of School
Sep 7, 2026Labor Day (Holiday - All District Units Closed)
Sep 18, 2026First Student Progress Report (6th Week)
Oct 30, 2026Second Student Progress Report (12th Week)
Nov 11, 2026Veterans Day Observance (Holiday - All District Units Closed)
Nov 16-20, 2026American Education Week
Nov 23-27, 2026Thanksgiving Break
Dec 15-17, 2026Final Exams for Students
Dec 17, 2026Last Day of Student Attendance (First Semester Ends)
Dec 21, 2026 - Jan 1, 2027Winter Break
Jan 4, 2027School Resumes (Second Semester Begins)
Jan 18, 2027Martin Luther King Jr. Day (Holiday)
Feb 1-5, 2027National School Counseling Week
Feb 8, 2027Lincoln Day Observance (Holiday)
Feb 12, 2027First Student Progress Report (6th Week)
Feb 15, 2027Washington Day Observance (Holiday)
Mar 22 - Apr 2, 2027Spring Break
Apr 2, 2027Classified Employee Holiday
Apr 16, 2027Second Student Progress Report (2nd Semester)
May 12, 2027Day of the Teacher
May 17-21, 2027Classified Employee Week
May 24, 2027Day of the Administrator
May 31, 2027Memorial Day (Holiday - All District Units Closed)
Jun 1-3, 2027Final Exams for Students
Jun 3, 2027Last Day of School
Jun 3-4, 2027Graduation in Regular High Schools
Jun 4, 2027Faculty Work Day
Jun 18, 2027Juneteenth (Holiday - All District Units Closed)

Grossmont Union High School District Calendar 2026-2027 FAQs

When is the first day of school in Grossmont Union High School District Calendar 2026-2027?
The first day of school for the Grossmont Union High School District 2026-2027 school year is August 12, 2026.
When is spring break in Grossmont Union High School District Calendar 2026-2027?
Spring break is scheduled from March 22, 2027 through April 2, 2027.
When is Christmas break in Grossmont Union High School District Calendar 2026-2027?
Christmas break falls within the winter break period from December 21, 2026 through January 1, 2027.
When is winter break in Grossmont Union High School District Calendar 2026-2027?
Winter break is from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Grossmont Union High School District Calendar 2026-2027?
Thanksgiving break takes place from November 23, 2026 through November 27, 2026.
When is the last day of school in Grossmont Union High School District Calendar 2026-2027?
The last day of school for students is June 3, 2027.
When is Labor Day in Grossmont Union High School District Calendar 2026-2027?
Labor Day will be observed on September 7, 2026, and schools will be closed.
When is Martin Luther King Jr. Day in Grossmont Union High School District Calendar 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027.
When is Memorial Day in Grossmont Union High School District Calendar 2026-2027?
Memorial Day will be observed on May 31, 2027.
When are final exams in Grossmont Union High School District Calendar 2026-2027?
First semester final exams are scheduled from December 15–17, 2026, and second semester final exams are scheduled from June 1–3, 2027.

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Grossmont GUHSD Union High School District calendar FAQs

When is the first day of school in Grossmont Union High School District Calendar 2026-2027?
The first day of school for the Grossmont Union High School District 2026-2027 school year is August 12, 2026.
When is spring break in Grossmont Union High School District Calendar 2026-2027?
Spring break is scheduled from March 22, 2027 through April 2, 2027.
When is Christmas break in Grossmont Union High School District Calendar 2026-2027?
Christmas break falls within the winter break period from December 21, 2026 through January 1, 2027.
When is winter break in Grossmont Union High School District Calendar 2026-2027?
Winter break is from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in Grossmont Union High School District Calendar 2026-2027?
Thanksgiving break takes place from November 23, 2026 through November 27, 2026.
When is the last day of school in Grossmont Union High School District Calendar 2026-2027?
The last day of school for students is June 3, 2027.
When is Labor Day in Grossmont Union High School District Calendar 2026-2027?
Labor Day will be observed on September 7, 2026, and schools will be closed.
When is Martin Luther King Jr. Day in Grossmont Union High School District Calendar 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027.
When is Memorial Day in Grossmont Union High School District Calendar 2026-2027?
Memorial Day will be observed on May 31, 2027.
When are final exams in Grossmont Union High School District Calendar 2026-2027?
First semester final exams are scheduled from December 15–17, 2026, and second semester final exams are scheduled from June 1–3, 2027.

Dates can change after publication. Read our calendar disclaimer.