Enrollment & Outcomes Scorecard
San Mateo High School
Public · San Mateo · San Mateo County · 1,532 students · Class of 2025
UC Reach Score · Class of 2025
33
Above average
top 25% in California
Higher than 75% of California high schools
+1.1 pp above peer median (32)
· Ranked #5 of 11 similar schools
5-year UC Reach Score
2021 · 32
2025 · 33
-17%
Senior-class enrollment (2018–2026)
-13.1 pp
vs. San Mateo County baseline (-4%)
~1468
5-yr projected enrollment (64 fewer than today)
- ▸On UC Reach Score, 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 Score 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 (-1.4%/yr), enrollment projects to ~1468 by 2029 — about 64 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach Score | Enroll. |
|---|---|---|---|
| Burlingame High School | Public | 45 | +18% |
| Hillsdale High School | Public | 32 | +12% |
| Aragon High School | Public | 54 | +14% |
| Mills High School | Public | 59 | -16% |
| Sequoia High School | Public | 21 | -5% |
| South San Francisco High School | Public | 14 | -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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