Aragon High

Located at 900 Alameda de las Pulgas, in San Mateo, California, Aragon High is a sizable secondary school that serves 1,658 students (grades 9 through 12), operated by San Mateo Union High. Compared to the state average of about 838 students per school, that is 98% above typical.

San Mateo Union High comprises 8 schools with combined enrollment of 8,736 students; Aragon High is among them.

For racial and ethnic makeup, Aragon High records that the largest single group is Asian at 33%, but no single group is in the majority. Other groups include 27% Hispanic, 26% White, 11% multiracial. That mix tracks the wider county fairly closely.

Looking at school resources, On paper, Aragon High has 74 full-time-equivalent teachers, translating to a class-load average of around 22.4:1. Statewide, the average ratio sits near 18.2:1, putting Aragon High higher than the state norm the norm. Around 17% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, San Mateo County runs at roughly 34%, so the school's eligibility rate is below the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Aragon High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 69.5%, the actual is 67.5%, a residual of -1.9 points.

In the surrounding community, community-level numbers for San Mateo County indicate the typical household earns roughly $158,855 per year, 54% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 4%. Aragon High is one of 176 public schools in San Mateo County (combined enrollment of about 82,403 students).

The closest other public school is Baywood Elementary, roughly 0.2 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Aragon High comes 2nd of 9 in the immediate cluster, ahead of the nearby-schools average of 45.8%.

The campus sits in an urban setting.

Over the past 7-year window. Looking back 7 years, enrollment at Aragon High has held roughly steady, going from 1,639 students in 2018 to 1,658 in 2025.

On the community side, the feed for Aragon High typically covers school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.