Colton Joint Unified
Mary B. Lewis Elementary
18040 San Bernardino Avenue, Bloomington, CA 92316-1643
Summary
Mary B. Lewis Elementary is badly underperforming.
Only 30.9% of students are reading at grade level in Mary B. Lewis Elementary, but it is trending up.
Math is weaker at 16.6%; most students are not yet at grade level, but it is trending up slightly.
Proficiency Stats
| Current Reading Proficiency | 30.9% |
| Current Math Proficiency | 16.6% |
| Reading State Rank | 3514/4674 (25th percentile) |
| Math State Rank | 4212/4674 (10th percentile) |
Other Stats
| Student / Teacher Ratio | 22:1 |
| Student Enrollment | 548 |
2-Year Trends
2023 - 2025
Reading +5.9%
•Math +1.2%
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