Lake Elsinore Unified
William Collier Elementary
20150 Mayhall Drive, Wildomar, CA 92595-8272
Summary
William Collier Elementary is badly underperforming.
Only 39.0% of students are reading at grade level in William Collier Elementary, but it is trending up.
Math is weaker at 31.9%; most students are not yet at grade level, but it is slowly trending up.
Proficiency Stats
| Current Reading Proficiency | 39.0% |
| Current Math Proficiency | 31.9% |
| Reading State Rank | 2743/4674 (41st percentile) |
| Math State Rank | 2793/4674 (40th percentile) |
Other Stats
| Student / Teacher Ratio | 22:1 |
| Student Enrollment | 707 |
School Website
Great Schools
Niche
Ed-Data
CAASPP2-Year Trends
2023 - 2025
Reading +9.2%•Math +5.0%
•Math +5.0%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