Enrollment & Outcomes Scorecard
San Mateo High School
Public · San Mateo · San Mateo County · 1,532 students · Class of 2025
UC Reach · Class of 2025
33%
Higher than 78% of California high schools
+1.1 pp above peer median (31.9%)
· Ranked #5 of 11 similar schools
5-year UC Reach
2021 · 32.0%
2025 · 33.0%
-17%
Senior-class enrollment (2018–2026)
-11.6 pp
vs. San Mateo County baseline (-5%)
~1485
5-yr projected enrollment (47 fewer than today)
- ▸On UC Reach, San Mateo High School sits in the middle of its similar-school group (ranked #5 of 11): 33% vs. a peer median of 32%.
- ▸San Mateo High School's UC Reach has declined meaningfully from a peak of 46% in 2020 to 33% in 2025 — a 13-point drop that warrants attention. Multi-year UC Reach declines of this size often signal something specific (leadership change, comp-program shift, demographic move) rather than year-to-year noise. This is the kind of trajectory an Enrollment Trend Audit unpacks.
- ▸Senior-class enrollment is down 17% (415→345 from 2018 to 2026), trailing the peer-group median of -1%.
- ▸At its recent rate (-1.0%/yr), enrollment projects to ~1485 by 2029 — about 47 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach | Enroll. |
|---|---|---|---|
| Burlingame High School | Public | 44.7% | +18% |
| Hillsdale High School | Public | 32.1% | +12% |
| Aragon High School | Public | 53.7% | +14% |
| Mills High School | Public | 59.3% | -16% |
| Sequoia High School | Public | 21.3% | -5% |
| South San Francisco Hs | Public | 14.5% | -26% |
UC Reach = top-6 UC admits ÷ senior class. Sources: UCOP Admissions by Source School, CDE enrollment, IRS Form 990, NCES F-33. Reach — by Test Prep Gurus · Methodology
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