Summary:
Zip code 91773 in San Dimas, California, is served by four high schools—a traditional comprehensive school, two specialized alternative programs, and an adult transition program—collectively educating over 1,300 students across grades 9-12 within two main districts.
The standout academic performer is San Dimas High, a traditional school in the Bonita Unified district ranking in the top 10% of California high schools with a 97.5% graduation rate and strong English proficiency. In contrast, the other schools serve specialized populations with significant challenges: Chaparral High (Continuation), also in Bonita Unified, supports at-risk students with a very low student-teacher ratio, while Rockey Glenn Camp, operated by the Los Angeles County Office of Education, is a county-run program for students with high needs.
Key insights show an inverse relationship where higher per-student spending at the alternative schools does not correlate with higher test scores, reflecting the intensive resources required for their unique student populations. Mathematics proficiency is an area for potential improvement even at the high-performing San Dimas High, which shows a notable gap compared to its English scores. Parents should note that these schools have fundamentally different missions, making direct comparisons difficult; San Dimas High provides strong college-preparatory outcomes, while the alternative schools offer critical, supportive environments for students facing substantial barriers to education.
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