District Contact & Information
Source: NCES CCD 2024–25Schools in San Mateo Union High School District
8 schools listed| School | Level | Grades | Students | City |
|---|---|---|---|---|
| Aragon High | High | 9th – 12th | 1,658 | San Mateo |
| Burlingame High | High | 9th – 12th | 1,583 | Burlingame |
| Capuchino High | High | 9th – 12th | 1,061 | San Bruno |
| Hillsdale High | High | 9th – 12th | 1,585 | San Mateo |
| Mills High | High | 9th – 12th | 1,115 | Millbrae |
| Peninsula High (Continuation) | High | 9th – 12th | 123 | Burlingame |
| San Mateo High | High | 9th – 12th | 1,557 | San Mateo |
| The Bridge Academy | High | 10th – 12th | 54 | San Mateo |
Zip Codes Served by San Mateo Union High School District
5 zip codesFrequently Asked Questions
About San Mateo Union High School District
San Mateo Union High School District is a public school district serving 5 zip codes in California, primarily in San Mateo County. It carries an overall rating of 9/10 (Excellent), the 85th percentile among California districts. That rating reflects the share of students proficient in reading and math on state assessments (CAASPP 2023–24) and is ranked only against other California districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 8 schools operating under San Mateo Union High School District — 8 high. The largest by enrollment is Aragon High with 1,658 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (650)558-2299 before making a housing decision.