SMUHUSD is a suburban school district with 7 schools. For the 2026-2027 school year, classes begin August 12 and end May 27. San Mateo Union High School District was established in 1902 and serves students across 6 cities with a motto of 'A Commitment to Quality Education for a Better Future.' The district has said a complete 2026-2027 calendar — including teacher workdays — will be published soon. This calendar includes 1 professional development day, 2 early-release or half days — useful to know when planning childcare.
Source: San Mateo Union High School District
Also known as SMUHUSD.