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Bonita Unified


At a glance
203rdof 1,543 California districts▲ 3
Better than 86% of California districts
115 West Allen Ave.
San Dimas, CA 91773-1437
·(909) 971-8200·All California district rankings →
Statewide performance 2016–2025
2025: better than 86.8% of districts
15
Schools
9,905
Students
6
5-star schools
Top rankedBonita High79th of 2,162 California high schools
Biggest riser
Grace Miller Elementary up 310 spots statewide this year
Smallest classes
San Dimas High 21.4 students per teacher
SchoolDigger ratings
5★
4★
2 schools without a SchoolDigger rating (too few tested students)
Summary:

The Bonita Unified district serves roughly 9,500 students across 15 schools in California, including eight elementary, two middle, four high schools, and one alternative K-12 program, and ranks in the top 15% of districts statewide.

Overall, the district is strong, with high graduation rates and English proficiency well above state averages. Standout schools include top-ranked Bonita High and elementary schools like Arma J. Shull Elementary and Oak Mesa Elementary, which earn 5-star ratings. Ramona Middle also performs very well, ranking higher than Lone Hill Middle. Notably, Grace Miller Elementary achieves strong results despite serving a higher-need population.

Areas for attention include a performance gap between the two main high schools, with San Dimas High trailing Bonita High in math and English scores, and a concerning drop in science proficiency in upper high school grades. The continuation and alternative schools, Chaparral High (Continuation) and Vista (Alternative), face significant challenges with chronic absenteeism and low test scores, despite higher per-student spending at Chaparral.

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private





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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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