District guide
San Mateo Union High public schools
Parent-focused district context for San Mateo County, CA: school list, grade pathway, enrollment scale, profile links, and the local checks to make before using the district in a housing decision.
Direct answer for parents
What San Mateo Union High tells you before choosing a home
San Mateo Union High is listed with 7 public schools and 8,899 reported students in the current NCES file. Treat this as a district-level research page: it helps you understand scale, grade coverage, and school records, but it does not confirm the school assigned to a specific address.
The current district file lists 7 high schools. Verify transition grades, feeder patterns, transfer policies, and program eligibility with the district.
7 district schools are associated with San Mateo County in the current file, about 4% of listed county schools. Confirm address-level assignment locally.
Grade pathway
District school mix by level
Use this section to separate elementary, middle, high, and other school records before comparing commute, programs, and assignment rules.
7
8,899 reported students
Parent checks for San Mateo Union High
These are the local questions that matter after the public data narrows the field.
Confirm the assigned school
Use official attendance-zone or address lookup tools before assuming a school serves a home.
Check transition grades
Elementary choices can split into different middle or high school paths, especially in large districts.
Verify choice-program rules
Charter, magnet, virtual, and transfer options can require applications, lotteries, or eligibility checks.
Compare similar schools
Compare schools at the same level before treating enrollment, grade span, or school type as a quality signal.
School records
Largest listed schools in San Mateo Union High
Sorted by reported enrollment. Profile links appear where SchoolsByCounty has generated an individual school page; listed-only records still preserve NCES grade, type, city, and enrollment fields.
| School | Level | Grades | City | Enrollment | Profile |
|---|---|---|---|---|---|
| Aragon High Regular | High | 9–12 | San Mateo | 1,740 | Profile |
| Hillsdale High Regular | High | 9–12 | San Mateo | 1,629 | Profile |
| San Mateo High Regular | High | 9–12 | San Mateo | 1,613 | Profile |
| Burlingame High Regular | High | 9–12 | Burlingame | 1,519 | Profile |
| Mills High Regular | High | 9–12 | Millbrae | 1,141 | Profile |
| Capuchino High Regular | High | 9–12 | San Bruno | 1,091 | Profile |
| Peninsula High (Continuation) Alternative | High | 9–12 | Burlingame | 166 | Listed only |
Communities in the district file
NCES city fields are directory fields, not attendance boundaries. Use them to orient the district footprint, then verify the exact home-to-school assignment.
County coverage
Some districts can include records associated with more than one county. The route is anchored to the district's primary county record in the current data.
San Mateo Union High FAQ
What schools are included for San Mateo Union High?
San Mateo Union High includes 7 public schools in the current NCES district file. The current district file lists 7 high schools.
Does this San Mateo Union High page show exact attendance zones?
No. SchoolsByCounty publishes district and school records from public data. Attendance boundaries, transportation, transfers, magnet eligibility, and charter rules must be confirmed with San Mateo Union High or local assignment tools.
Is San Mateo Union High ranked as the best district in San Mateo County?
No. This is a district guide, not a recommendation or ranking. Use it to understand the district's listed schools, grade spans, enrollment scale, and available school profiles before verifying local fit.
How many San Mateo Union High schools have detailed profiles?
6 schools in this district currently link to detailed SchoolsByCounty profiles. Other schools remain listed with NCES directory fields.
Data Sources
Education data sourced from the National Center for Education Statistics (NCES) Common Core of Data and School District Finance Survey. School scores are derived composite metrics based on available NCES graduation-rate and school-finance signals.
Data is informational only. Coverage varies by county and reporting year. Not for use as the sole basis for educational decisions.