Enrollment & Outcomes Scorecard
Ontario High School
Public · Ontario · San Bernardino County · 1,949 students · Class of 2025
UC Reach · Class of 2025
10%
Higher than 17% of California high schools
-3.9 pp vs. peer median (13.6%)
· Ranked #10 of 11 similar schools
5-year UC Reach
2021 · 16.9%
2025 · 9.7%
-10%
Senior-class enrollment (2018–2026)
-10.0 pp
vs. San Bernardino County baseline (+0%)
~1806
5-yr projected enrollment (143 fewer than today)
- ▸On UC Reach, Ontario High School sits near the bottom of its similar-school group (ranked #10 of 11): 10% vs. a peer median of 14%.
- ▸Its UC Reach has slipped 4 points since 2018 — worth watching.
- ▸Senior-class enrollment is down 10% (568→511 from 2018 to 2026), trailing the peer-group median of -0%.
- ▸At its recent rate (-2.5%/yr), enrollment projects to ~1806 by 2029 — about 143 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach | Enroll. |
|---|---|---|---|
| Chino High School | Public | 14.7% | +1% |
| Colony High School | Public | 12.1% | +7% |
| Claremont High School | Public | 31.4% | -17% |
| Bonita High School | Public | 26.6% | +0% |
| Montclair High School | Public | 12.5% | -1% |
| Ruben S Ayala High School | Public | 44.8% | -6% |
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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