William Collier Elementary
Public
Elementary Grades K–5
Part of Lake Elsinore Unified
20150 Mayhall Dr., Wildomar, CA 92595 · (951) 253-7630
Community ratings
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Academic performance
Math proficiency49.5%
State average 33.6%
Reading / language arts49.5%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
707Students enrolled
24:1Student–teacher ratio
80%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Kindergarten171
Grade 195
Grade 2119
Grade 3114
Grade 488
Grade 5120
Students
Hispanic · 67%471
White · 16%116
Black · 6%44
Two or more races · 6%44
Asian · 4%26
Native Hawaiian/Pacific Islander · 1%6
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
602’20
693’21
707’22
734’23
707’24
Location
20150 Mayhall Dr. Wildomar
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.