2026-27 San Mateo Union High School District Calendar

The 2026-27 San Mateo Union High School District Calendar was converted to calendar events, saving everyone the duplicate effort of creating calendar events manually.

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August 2026

SMUHSD: Professional Development Day
Mon, Aug 10, 2026
Professional Development Day (No School for Students). Fall Semester begins for Teachers.
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Workshop/Scheduling Day for Teachers
Tue, Aug 11, 2026
W - Workshop/Scheduling days for all teachers
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: First Day of School for Students
Wed, Aug 12, 2026
Fall Semester begins (Students)
Created from the 2026-27 San Mateo Union High School District Calendar.

September 2026

SMUHSD: No School, Labor Day
Mon, Sep 7, 2026
Labor Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Back to School Night
Thu, Sep 10, 2026
Back to School Night
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Minimum Day
Fri, Sep 11, 2026
Minimum Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: End of 6-Week Marking Period
Fri, Sep 18, 2026
6-week marking period
Created from the 2026-27 San Mateo Union High School District Calendar.

October 2026

SMUHSD: No School for Students, Professional Development Day
Mon, Oct 12, 2026
Professional Development Day (No School for Students)
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: End of 6-Week Marking Period
Fri, Oct 30, 2026
6-week marking period
Created from the 2026-27 San Mateo Union High School District Calendar.

November 2026

SMUHSD: No School, Veterans Day (Observance)
Wed, Nov 11, 2026
Veterans Day (Observance)
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School, Thanksgiving
Wed, Nov 25, 2026 - Fri, Nov 27, 2026
Thanksgiving Days
Nov 25: Staff Recess (No School for Students)
Created from the 2026-27 San Mateo Union High School District Calendar.

December 2026

SMUHSD: Minimum Days
Wed, Dec 16, 2026 - Fri, Dec 18, 2026
Minimum Days
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: End of 6-Week Marking Period, Fall Semester Ends (Students)
Fri, Dec 18, 2026
6-week marking period. Fall Semester ends (Students).
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School, Winter Recess
Mon, Dec 21, 2026 - Mon, Jan 4, 2027
Winter Recess. Fall Semester Ends (Teachers) on 1/5/2027.
Created from the 2026-27 San Mateo Union High School District Calendar.

January 2027

SMUHSD: No School for Students, Workshop/Scheduling Day for Teachers
Tue, Jan 5, 2027
SMUHSD: Workshop/Scheduling Day for Teachers
Fall Semester Ends (Teachers)
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Spring Semester Begins
Wed, Jan 6, 2027
Spring Semester begins (Teachers and Students)
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School, Martin Luther King Jr. Day
Mon, Jan 18, 2027
Martin Luther King Jr. Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School for Students, Professional Development Day
Mon, Jan 25, 2027 - Tue, Jan 26, 2027
Professional Development Day (No School for Students)
Created from the 2026-27 San Mateo Union High School District Calendar.

February 2027

SMUHSD: No School, Presidents' Day
Mon, Feb 15, 2027
Presidents' Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: End of 6-Week Marking Period
Fri, Feb 19, 2027
6-week marking period
Created from the 2026-27 San Mateo Union High School District Calendar.

March 2027

SMUHSD: Open House
Thu, Mar 11, 2027
Open House
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Minimum Day
Fri, Mar 12, 2027
Minimum Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School, Spring Recess
Mon, Mar 29, 2027 - Fri, Apr 2, 2027
Spring Recess
Created from the 2026-27 San Mateo Union High School District Calendar.

April 2027

SMUHSD: End of 6-Week Marking Period
Fri, Apr 9, 2027
6-week marking period
Created from the 2026-27 San Mateo Union High School District Calendar.

May 2027

SMUHSD: Minimum Days
Tue, May 25, 2027 - Thu, May 27, 2027
Minimum Day
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Last Day of School for Students
Thu, May 27, 2027
Spring Semester Ends (Students)
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: Spring Semester Ends (Teachers)
Fri, May 28, 2027
Spring Semester Ends (Teachers). Workshop/Scheduling day.
Created from the 2026-27 San Mateo Union High School District Calendar.
SMUHSD: No School, Memorial Day
Mon, May 31, 2027
Memorial Day
Created from the 2026-27 San Mateo Union High School District Calendar.