Enrollment & Outcomes Scorecard
Mammoth High School
Public · Mammoth Lakes · Mono County · 308 students · Class of 2025
UC Reach · Class of 2025
10%
Higher than 18% of California high schools
-2.6 pp vs. peer median (12.8%)
· Ranked #3 of 5 similar schools
5-year UC Reach
2021 · 48.0%
2025 · 10.2%
+0%
Senior-class enrollment (2018–2026)
+42.4 pp
vs. Mono County baseline (-42%)
~288
5-yr projected enrollment (20 fewer than today)
- ▸On UC Reach, Mammoth High School sits in the middle of its similar-school group (ranked #3 of 5): 10% vs. a peer median of 13%.
- ▸Mammoth High School's UC Reach has declined meaningfully from a peak of 48% in 2021 to 10% in 2025 — a 38-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 up 0% (79→79 from 2018 to 2026), tracking the peer-group median of +1%.
- ▸At its recent rate (-2.2%/yr), enrollment projects to ~288 by 2029 — about 20 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach | Enroll. |
|---|---|---|---|
| Minarets High School | Public | — | +56% |
| Career Technical Education Charter | Public | — | +9% |
| Endeavor Charter | Public | — | +338% |
| Sierra High | Public | 7.5% | -38% |
| Carter G. Woodson Public Charter | Public | — | -8% |
| Gateway High (continuation) | Public | — | -24% |
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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