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Email BoardWalnut Valley Unified
Chaparral Middle
1405 South Spruce Tree Drive, Diamond Bar, CA 91765-2571
Summary
Chaparral Middle is an excellent school.
82.8% of students are reading at grade level in Chaparral Middle, and it is trending up slightly.
Math is also excellent at 80.3% and is trending up.
Proficiency Stats
| Current Reading Proficiency | 82.8% |
| Current Math Proficiency | 80.3% |
| Reading State Rank | 39/1211 (97th percentile) |
| Math State Rank | 21/1211 (98th percentile) |
Other Stats
| Student / Teacher Ratio | 28:1 |
| Student Enrollment | 1,349 |
| Low-Income Students | 335 (24.8%) |
| English Learners | 135 (10.0%) |
2-Year Trends
2023 - 2025
Reading +1.5%
•Math +6.0%
Showing school-level proficiency for the last three years
Reading Proficiency Scores
Race, economic status, English learner status, and distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +4.4%
•
Non-Low-Income +0.6%
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners -11.4%
•
English Native +3.3%
Showing subgroup proficiency for the last three years
Math Proficiency Scores
Race, economic status, English learner status, and distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +11.5%
•
Non-Low-Income +4.3%
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +14.5%
•
English Native +3.4%
Showing subgroup proficiency for the last three years
CAASPP