Enrollment & Outcomes Scorecard
Arroyo High School
Public · El Monte · Los Angeles County · 1,610 students · Class of 2025
UC Reach · Class of 2025
22%
Higher than 60% of California high schools
+4.1 pp above peer median (18.4%)
· Ranked #5 of 11 similar schools
5-year UC Reach
2021 · 19.4%
2025 · 22.5%
-29%
Senior-class enrollment (2018–2026)
-20.5 pp
vs. Los Angeles County baseline (-8%)
~1442
5-yr projected enrollment (168 fewer than today)
- ▸On UC Reach, Arroyo High School sits in the middle of its similar-school group (ranked #5 of 11): 22% vs. a peer median of 18%.
- ▸Its UC Reach has slipped 2 points since 2018 — worth watching.
- ▸Across the top-6 UC campuses, Arroyo High School is admitting at roughly +7 percentage points above what its average applicant GPA (3.814) alone would predict (27% actual vs. 20% expected). That's a meaningful signal — it can reflect UC's track record with this school's graduates, students presenting strongly in UC's holistic review (essays, EC's, context), or institutional familiarity helping at the margin. The data can't distinguish which, but the pattern itself is real and worth understanding.
- ▸Senior-class enrollment is down 29% (567→404 from 2018 to 2026), trailing the peer-group median of -16%.
- ▸At its recent rate (-3.6%/yr), enrollment projects to ~1442 by 2029 — about 168 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach | Enroll. |
|---|---|---|---|
| Sierra Vista High School | Public | 23.2% | -10% |
| Rosemead High School | Public | 19.4% | +24% |
| Temple City High School | Public | 59.7% | -15% |
| San Gabriel High School | Public | 33.1% | -16% |
| Los Altos High School | Public | 12.0% | -20% |
| El Monte High School | Public | 16.0% | -22% |
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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