Colton Joint Unified
Walter Zimmerman Elementary
11050 Linden Avenue, Bloomington, CA 92316-3118
Summary
Walter Zimmerman Elementary is badly underperforming.
Only 31.0% of students are reading at grade level in Walter Zimmerman Elementary, and it is trending down slightly.
Math is weaker at 18.4%; most students are not yet at grade level, and it is trending down slightly.
Proficiency Stats
| Current Reading Proficiency | 31.0% |
| Current Math Proficiency | 18.4% |
| Reading State Rank | 3506/4674 (25th percentile) |
| Math State Rank | 4071/4674 (13th percentile) |
Other Stats
| Student / Teacher Ratio | 21:1 |
| Student Enrollment | 512 |
School Website
Great Schools
Niche
Ed-Data
CAASPP2-Year Trends
2023 - 2025
Reading -2.8%•Math -1.8%
•Math -1.8%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