A−
William Collier Elementary
PublicElementaryGrades K–5
20150 Mayhall Dr., Wildomar, CA 92595 · (951) 253-7630 · Part of Lake Elsinore Unified School District
Students
707
Students per teacher
24:1
Free or reduced lunch
80%
Setting
Suburb
Grades
K–5
What stands out about William Collier Elementary
- School Grade A−: near the top of California’s public schools
- Math proficiency 16 pts above the state
- Larger classes: 24:1 students per teacher
- Enrollment up 17.4% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency49.5%
State average 33.6%
Reading / language arts49.5%
State average 48.6%
Location
Directions ↗
20150 Mayhall Dr., Wildomar
Students
Enrollment by grade
Kindergarten171
Grade 195
Grade 2119
Grade 3114
Grade 488
Grade 5120
Enrollment over time
602’20
693’21
707’22
734’23
707’24
Up 17.4% since 2020.
Who goes here
Hispanic 67%White 16%Black 6%Two or more races 6%Asian 4%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
No ratings yet. Be the first neighbor to rate it.
Parents talk
Conversations in Town Square that mention William Collier Elementary.
Other schools in Lake Elsinore Unified School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.