Walnut Valley Unified
Diamond Bar High
21400 Pathfinder Road, Diamond Bar, CA 91765-2747
Summary
Diamond Bar High is a good school.
76.3% of students are reading at grade level in Diamond Bar High, but it is trending down slightly.
Math is weaker at 68.3%, it is holding steady.
Proficiency Stats
| Current Reading Proficiency | 76.3% |
| Current Math Proficiency | 68.3% |
| Reading State Rank | 182/1609 (89th percentile) |
| Math State Rank | 56/1605 (97th percentile) |
Other Stats
| Student / Teacher Ratio | 26:1 |
| Student Enrollment | 2,563 |
2-Year Trends
2023 - 2025
Reading -2.9%
•Math +0.3%
Showing school-level proficiency for the last three years
Reading Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Math Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
CAASPP