Enrollment & Outcomes Scorecard
Castilleja School
Private · secular · Palo Alto · Santa Clara County · 416 students · Class of 2025
★ Elite — Top 1%
UC Reach Score · Class of 2025
114
Incredible
top 1% in California
Higher than 99% of California high schools
+51.3 pp above peer median (62)
· Ranked #2 of 10 similar schools
5-year UC Reach Score
2021 · 62
2025 · 114
-15%
Senior-class enrollment (2020–2025)
-12.6 pp
vs. Santa Clara County baseline (-2%)
~408
5-yr projected enrollment (8 fewer than today)
- ▸On UC Reach Score, Castilleja School sits near the top of its similar-school group (ranked #2 of 10): 114 vs. a peer median of 62.
- ▸Its UC Reach Score has risen 27 points since 2020.
- ▸Senior-class enrollment is down 15% (60→51 from 2020 to 2025), trailing the peer-group median of +8%.
- ▸At its recent rate (-0.7%/yr), enrollment projects to ~408 by 2028 — about 8 fewer students than today.
Most similar nearby schools
| School | Type | UC Reach Score | Enroll. |
|---|---|---|---|
| Pinewood School | Private · secular | 60 | +0% |
| Eastside College Prep School | Private · secular | 26 | -5% |
| Crystal Springs Uplands Sch | Private · secular | 64 | +11% |
| Basis Independent Fremont Upper Sch | Private · secular | 212 | +23% |
| Woodside Priory School | Private · Other religious | 70 | +14% |
| Menlo School | Private · secular | 62 | +6% |
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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