San Mateo Union High School District

San Mateo County9 Schools~9,303 Students Enrolled

Academic Calendar

Holidays & Events2026-2027
  • Aug12

    Fall Semester Begins for Students

    Aug 12, 2026

  • Sep07

    Labor Day Holiday

    Sep 7, 2026

  • Sep11

    Minimum Day

    Sep 11, 2026

  • Sep18

    First Marking Period Ends

    Sep 18, 2026

  • Oct12

    Professional Development Day - No Student Attendance

    Oct 12, 2026

  • Oct30

    Second Marking Period Ends

    Oct 30, 2026

  • Nov11

    Veterans Day Observance Holiday

    Nov 11, 2026

  • Nov25

    Staff Recess - No Student Attendance

    Nov 25, 2026

  • Nov26

    Thanksgiving Days Holiday

    Nov 26, 2026 - Nov 27, 2026

  • Dec16

    Minimum Days for Semester End

    Dec 16, 2026 - Dec 18, 2026

  • Dec18

    Third Marking Period Ends

    Dec 18, 2026

  • Dec18

    Fall Semester Ends for Students

    Dec 18, 2026

  • Dec21

    Winter Recess Begins

    Dec 21, 2026 - Jan 5, 2027

  • Jan01

    Winter Recess Ends

    Jan 1, 2027 - Jan 5, 2027

  • Jan05

    Fall Semester Ends for Teachers

    Jan 5, 2027

  • Jan06

    Spring Semester Begins for Students

    Jan 6, 2027

  • Jan18

    Martin Luther King Jr. Day Holiday

    Jan 18, 2027

  • Feb15

    Presidents' Day Holiday

    Feb 15, 2027

  • Feb19

    Fourth Marking Period Ends

    Feb 19, 2027

  • Mar11

    Open House

    Mar 11, 2027

  • Mar12

    Minimum Day

    Mar 12, 2027

  • Mar29

    Spring Recess Begins

    Mar 29, 2027 - Mar 31, 2027

  • Apr01

    Spring Recess Ends

    Apr 1, 2027 - Apr 2, 2027

  • Apr09

    Fifth Marking Period Ends

    Apr 9, 2027

  • May25

    Minimum Days for Semester End

    May 25, 2027 - May 27, 2027

  • May27

    Spring Semester Ends for Students

    May 27, 2027

  • May28

    Spring Semester Ends for Teachers / Workshop Day

    May 28, 2027

  • May31

    Memorial Day Holiday

    May 31, 2027

Area & Neighborhood Coverage

The San Mateo Union High School District proudly serves a significant and diverse stretch of communities within San Mateo County, California. Our geographic footprint encompasses the vibrant cities of San Mateo, Burlingame, Foster City, Hillsborough, and portions of Belmont. This expansive area stretches from the scenic San Francisco Bay shoreline west towards the foothills, capturing a rich tapestry of residential neighborhoods, bustling downtown areas, and serene community spaces. We are deeply woven into the fabric of these local environments, providing a consistent and connected educational presence across this central part of the Peninsula.

Local Fabric & Educational Connections

The San Mateo Union High School District is more than just a collection of schools; it's an integral component of the rich social and cultural landscape of San Mateo County. Our district is deeply embedded within the local fabric, reflecting the innovative spirit and community-oriented values that define this part of the Bay Area. We share in the county's natural beauty, from the bayfront parks to the tree-lined streets of its residential areas, and participate in the various community events that bring residents together throughout the year. This strong local connection ensures that the district's presence is felt not just in classrooms, but in the broader daily life and collective identity of the San Mateo County communities we serve.

Frequently Asked Questions

What communities are primarily served by the San Mateo Union High School District?

The San Mateo Union High School District primarily serves students residing in the cities of San Mateo, Burlingame, Foster City, Hillsborough, and specific areas within Belmont, all located within San Mateo County, California.

How does the San Mateo Union High School District connect with local civic life in San Mateo County?

The district actively participates in the broader civic life of San Mateo County by engaging with local city governments, community organizations, and various public services. This collaboration helps ensure our facilities and activities are harmoniously integrated with the surrounding neighborhoods and contribute positively to the overall community environment.

Are there local parks or recreational areas in San Mateo County near the district's schools that families can enjoy?

Yes, San Mateo County boasts numerous parks and recreational areas that are easily accessible to families within the district. Many schools are situated near community parks, sports fields, and bayfront trails, providing ample opportunities for outdoor activities and family enjoyment across San Mateo, Burlingame, Foster City, and neighboring towns.