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.Trending down

Math is weaker at 18.4%; most students are not yet at grade level, and it is trending down slightly.Trending down

Proficiency Stats
Current Reading Proficiency31.0%
Current Math Proficiency18.4%
Reading State Rank3506/4674 (25th percentile)
Math State Rank4071/4674 (13th percentile)
Other Stats
Student / Teacher Ratio21:1
Student Enrollment512
Low-Income Students476 (93.0%)
English Learners155 (30.3%)
2-Year Trends
2023 - 2025
Reading -2.8%Trend downMath -1.8%Trend down
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 -3.2%Trend down
Non-Low-Income +4.3%Trend up
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners -5.1%Trend down
English Native +5.0%Trend up
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 -2.7%Trend down
Non-Low-Income +13.3%Trend up
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners -1.7%Trend down
English Native +3.5%Trend up
Showing subgroup proficiency for the last three years