Enrollment & Outcomes Scorecard
Pioneer High
Public · Whittier · Los Angeles County · 945 students · Class of 2025
UC Reach Score · Class of 2025
22
Around the CA median
near the state median
Higher than 58% of California high schools
+5.0 pp above peer median (17)
· Ranked #4 of 11 similar schools
5-year UC Reach Score
2021 · 20
2025 · 22
-27%
Senior-class enrollment (2018–2026)
-21.9 pp
vs. Los Angeles County baseline (-5%)
~849
5-yr projected enrollment (96 fewer than today)
- ▸On UC Reach Score, Pioneer High sits in the middle of its similar-school group (ranked #4 of 11): 22 vs. a peer median of 17.
- ▸Pioneer High's UC Reach Score has stepped down from a peak of 28 in 2024 to 22 in 2025 — a 6-point decline worth tracking.
- ▸Senior-class enrollment is down 27% (345→251 from 2018 to 2026), trailing the peer-group median of -9%.
- ▸At its recent rate (-3.5%/yr), enrollment projects to ~849 by 2029 — about 96 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach Score | Enroll. |
|---|---|---|---|
| Maywood Academy High School | Public | 17 | +6% |
| John Glenn High School | Public | 16 | -34% |
| South El Monte High School | Public | 19 | -1% |
| Gretchen Whitney High School | Public | 126 | +4% |
| International Studies Learning | Public | 28 | +18% |
| Maywood Center Enriched Studies | Public | 39 | -20% |
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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