William Collier Elementary

Elementary school·Grades K-5 Wildomar, California·92595
Score
40.9/100
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#2,769
Among 4,688 California elementary schools
#7
In Lake Elsinore Unified
#2
In Wildomar
Top 60%
In California

Score 40.9/100: better than 40% of California elementary schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
39%
Similar California schools ≈ 47%, better than 41% of them
310 students tested
Math
32%
Similar California schools ≈ 42%, better than 40% of them
310 students tested
Science
22%
Similar California schools ≈ 34%, better than 37% of them
113 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 10 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 3Smarter Balanced ELA37.8111
English language artsGrade 4Smarter Balanced ELA37.286
English language artsGrade 5Smarter Balanced ELA41.6113
English language artsAll gradesSmarter Balanced ELA39.0310
MathGrade 3Smarter Balanced Math46.0111
MathGrade 4Smarter Balanced Math27.986
MathGrade 5Smarter Balanced Math21.2113
MathAll gradesSmarter Balanced Math31.9310
ScienceGrade 5CAST22.1113
ScienceAll gradesCAST22.1113

School profile

Grades
K-5
Students
734
Type
Elementary school
Charter school
No
Program
Regular

Students

Enrollment
734
Typical elementary school: 464
Free or reduced-price lunch
77%
Typical elementary school: 72%

District and location

School district
City
Riverside County

Contact

Address
20150 Mayhall Dr.
Wildomar, CA 92595

"Typical" is the middle (median) elementary school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

William Collier Elementary at a glance

William Collier Elementary is a public elementary school in Wildomar, California, serving grades K-5. It is part of the Lake Elsinore Unified school district. It has about 734 students (a typical California elementary school has 464). About 77% of students are eligible for free or reduced-price lunch, compared with 72% at a typical California elementary school, which is useful context when reading test results.

In 2024-25 state tests, 39% in English language arts (similar schools: 47%) and 32% in math (similar schools: 42%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California elementary schools, it scores 40.9 out of 100: better than 40% of them, ranking #2,769 of 4,688. Its English language arts result rose by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.