Enrollment & Outcomes Scorecard
Aliso Niguel High School
Public · Aliso Viejo · Orange County · 2,534 students · Class of 2025
UC Reach · Class of 2025
34%
Higher than 77% of California high schools
On the peer median (33.5%)
· Ranked #6 of 11 similar schools
5-year UC Reach
2021 · 23.6%
2025 · 34.4%
-7%
Senior-class enrollment (2018–2026)
+0.4 pp
vs. Orange County baseline (-7%)
~2344
5-yr projected enrollment (190 fewer than today)
- ▸On UC Reach, Aliso Niguel High School sits in the middle of its similar-school group (ranked #6 of 11): 34% vs. a peer median of 34%.
- ▸Its UC Reach has risen 9 points since 2018.
- ▸Senior-class enrollment is down 7% (749→699 from 2018 to 2026), outpacing the peer-group median of -9%.
- ▸At its recent rate (-2.6%/yr), enrollment projects to ~2344 by 2029 — about 190 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach | Enroll. |
|---|---|---|---|
| San Juan Hills High School | Public | 25.3% | +15% |
| Trabuco Hills High School | Public | 23.3% | -14% |
| Capistrano Valley High School | Public | 35.5% | -9% |
| University High | Public | 67.3% | -15% |
| San Clemente High School | Public | 19.7% | -10% |
| Tesoro High School | Public | 31.5% | -24% |
UC Reach = top-6 UC admits ÷ senior class. Sources: UCOP Admissions by Source School, CDE enrollment, IRS Form 990, NCES F-33. Test Prep Gurus Intelligence by Test Prep Gurus · Methodology
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