Skip to main content

Home Explore Compare About

Schools.now

Comprehensive K-12 school district data for informed decision-making. Compare districts across the nation.

About

Explore Districts Compare Districts

Legal

Terms of Service Privacy Policy

Other

About Data Sources Contact Us

© 2026 Schools.now · Data for informational purposes only.

ExploreSan Mateo Union High

Regular

Suburb

NCES ID: 0634980

San Mateo Union High

San Mateo, CA

Source: NCES CCD + U.S. Census (open-source sync)

Year: 2025

Coverage: 100.0% (19281/19281)

Dataset refreshed: Feb 24, 2026

Enrollment

8,775

+0.7%YoY

Graduation Rate

88.3%

+2.4%vs. State

Per-Pupil Spending

$10,825

-39.8%vs. State

Student-Teacher Ratio

19.9:1

-9.5%vs. State

Free/Reduced Lunch

100.0%

0.0%vs. State

English Language Learners

5.3%

-67.5%vs. State

Child Poverty Rate

6.0%

-57.7%vs. State

District vs. Benchmarks

Key metrics compared to state and national averages (% of national avg)

Enrollment Trend

5-year enrollment history+2.9%

Similar Districts

San Mateo-Foster City

Foster City, CA

Similarity 94.0

Same state

Same locale (Suburb)

Same district type (Regular)

Open District Compare Pair

Berkeley Unified

Berkeley, CA

Similarity 93.6

Same state

Same locale (Suburb)

Same district type (Regular)

Open District Compare Pair

Adelanto Elementary

Adelanto, CA

Similarity 93.5

Same state

Same locale (Suburb)

Same district type (Regular)

Open District Compare Pair

Lompoc Unified

Lompoc, CA

Similarity 92.9

Same state

Same locale (Suburb)

Same district type (Regular)

Open District Compare Pair