Enrollment & Outcomes Scorecard
Walnut High School
Public · Walnut · Los Angeles County · 2,138 students · Class of 2025
UC Reach Score · Class of 2025
51
Strong
top 10% in California
Higher than 90% of California high schools
+30.6 pp above peer median (21)
· Ranked #2 of 11 similar schools
5-year UC Reach Score
2021 · 31
2025 · 51
-18%
Senior-class enrollment (2018–2026)
-9.9 pp
vs. Los Angeles County baseline (-8%)
~2008
5-yr projected enrollment (130 fewer than today)
- ▸On UC Reach Score, Walnut High School sits near the top of its similar-school group (ranked #2 of 11): 51 vs. a peer median of 21.
- ▸Walnut High School's UC Reach Score has declined meaningfully from a peak of 64 in 2018 to 51 in 2025 — a 12-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 down 18% (668→547 from 2018 to 2026), trailing the peer-group median of -4%.
- ▸At its recent rate (-2.1%/yr), enrollment projects to ~2008 by 2029 — about 130 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach Score | Enroll. |
|---|---|---|---|
| John a Rowland High School | Public | 24 | -2% |
| Diamond Bar High School | Public | 65 | -20% |
| West Covina High School | Public | 18 | -18% |
| South Hills High School | Public | 19 | -1% |
| Glendora High School | Public | 17 | -22% |
| El Dorado High School | Public | 22 | +12% |
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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