Enrollment & Outcomes Scorecard
Arroyo High School
Public · El Monte · Los Angeles County · 1,610 students · Class of 2025
UC Reach Score · Class of 2025
22
Around the CA median
near the state median
Higher than 61% of California high schools
+4.1 pp above peer median (18)
· Ranked #5 of 11 similar schools
5-year UC Reach Score
2021 · 19
2025 · 22
-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 Score, Arroyo High School sits in the middle of its similar-school group (ranked #5 of 11): 22 vs. a peer median of 18.
- ▸Arroyo High School's UC Reach Score has stepped down from a peak of 30 in 2023 to 22 in 2025 — a 7-point decline worth tracking.
- ▸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 Score | Enroll. |
|---|---|---|---|
| Sierra Vista High School | Public | 23 | -10% |
| Rosemead High School | Public | 19 | +24% |
| Temple City High School | Public | 60 | -15% |
| San Gabriel High School | Public | 33 | -16% |
| Los Altos High School | Public | 12 | -20% |
| El Monte High School | Public | 16 | -22% |
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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