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B+

William Collier Elementary

PublicElementaryGrades K–5

20150 Mayhall Dr., Wildomar, CA 92595 · (951) 253-7630 · Part of Lake Elsinore Unified School District

Wildomar’s School Grade B− better than 51% of California school districts

Directions
Students
707
Students per teacher
24:1
Free or reduced lunch
80%
Setting
Suburb
Grades
K–5
The gist

What stands out about William Collier Elementary

  • Its own letter, B+: better results than 71% of California’s public schools
  • Math proficiency 16 pts above the state
  • Larger classes: 24 students per teacher
  • Enrollment up 17.4% since 2020–21
  • Next stop for Wildomar kids: David A. Brown Middle

On the path

Where Wildomar kids come from and go next. The whole path →

K–5William Collier ElementaryYou are here
6–8David A. Brown Middle1,030 students

Test scores

2020–21
Math proficiency50%
State average 33.6%
Reading / language arts50%
State average 48.6%

Its own letter, B+, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 2020–21.

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.

Parents talk

Questions and answers about William Collier Elementary from Wildomar families.

Other schools in Lake Elsinore Unified School District

The district →
Lakeland Village
Elementary · Grades K–8 · Lake Elsinore
C−
909 students20:1
Railroad Canyon Elementary
Elementary · Grades K–5 · Lake Elsinore
B−
873 students23:1
Earl Warren Elementary
Elementary · Grades K–5 · Lake Elsinore
B−
821 students24:1
Luiseno
Elementary · Grades K–8 · Corona
B+
819 students22:1
Cottonwood Canyon Elementary
Elementary · Grades K–5 · Lake Elsinore
A−
813 students23:1
Wildomar Elementary
Elementary · Grades K–5 · Wildomar
B
620 students23:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Wildomar’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.