high school district · san mateo to san bruno
San Mateo Union High School District: Schools, Boundaries & Homes
The six comprehensive high schools of the San Mateo Union High School District, how assignment works by address, and the cities it serves. A Property Nerds® guide from the Boyenga Team at Compass.
grades
schools
serves
serves
Check an address with a Property NerdHomes for sale in San Mateo
district map
schools on the map
Maps by Google. Pins show public high schools in the area and may include schools in neighboring districts and private schools.
schools
San Mateo Union schools
San Mateo Union serves about 9,000 students in San Mateo, Burlingame, Foster City, Hillsborough, Millbrae and San Bruno through six comprehensive high schools. The Bridge Academy opened in 2024.
High
- Aragon High School9–12 · San Mateo · map
- Burlingame High School9–12 · Burlingame · map
- Capuchino High School9–12 · San Bruno · map
- Hillsdale High School9–12 · San Mateo · map
- Mills High School9–12 · Millbrae · map
- San Mateo High School9–12 · San Mateo · map
Also in the district: Peninsula High School (continuation high school) · The Bridge Academy (school of choice for newcomer students) · Middle College (11–12 program at College of San Mateo) · Design Tech High School (charter authorized by SMUHSD) · San Mateo Adult and Career Education (adult education)
find your school
Which school goes with an address?
San Mateo Union assigns the high school by home address. A school's location is not its attendance area, so use the district school locator for any address.
Open the SMUHSD school locatorDistrict website
property nerd note
The school fields on a listing are typed in by the listing agent and are often blank or out of date. Always confirm with the district, in writing if it matters to your offer, and ask whether the school you want has room for new students.
serves
Cities and elementary districts
San Mateo Union serves San Mateo, Burlingame, Foster City, Hillsborough, Millbrae and San Bruno. San Carlos, Belmont and Redwood Shores are not in San Mateo Union; they are served by Sequoia Union.
Hillsborough City schoolsBurlingame schoolsSequoia Union high schools
homes
Homes for sale in the San Mateo Union area
Search by city, then confirm the assigned high school for the address.
San Mateo homesBurlingame homesHillsborough homesFoster City homesMillbrae homes
buying for schools?
Let the Property Nerds check the schools before you write an offer
Send us an address and we will confirm the assigned schools with the district, pull recent sales inside the same attendance area and flag anything that could change. The Boyenga Team at Compass has helped Silicon Valley families buy and sell since 1996, with more than 2,200 homes sold.
faq
San Mateo Union FAQ
Which high schools are in the San Mateo Union High School District?
Six comprehensive high schools: Aragon, Burlingame, Capuchino, Hillsdale, Mills and San Mateo High School, plus Peninsula High School, The Bridge Academy and Middle College.
Which cities does San Mateo Union serve?
San Mateo, Burlingame, Foster City, Hillsborough, Millbrae and San Bruno.
Are San Carlos and Belmont in San Mateo Union?
No. San Carlos, Belmont and Redwood Shores are served by the Sequoia Union High School District.
How does San Mateo Union assign high schools?
By home address, using the district school locator.
Can the Boyenga Team help me buy in a specific school area?
Yes. Tell us the schools you want and we will set up alerts for homes in that attendance area, confirm assignments with the district and show you recent sales nearby. Call (408) 373-1660.
School names, grades and links come from the district and the California Department of Education, checked October 2026. This guide does not include ratings or test scores; see the California School Dashboard for official performance data.
