William Collier Elementary
Elementary Schools (Public)Grades K–5Active
20150 Mayhall Drive, Wildomar, CA 92595-8272
(951) 253-7630
Overall Score (2024-25)
↓ 0.6 ptsvs 2023-2440
out of 100
Below AverageTop 64% statewideData completeness: 100%
Academic Achievement42
CA avg
Academic Growth52
CA avg
Equity25
CA avg
School Climate33
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts39.0%
CA avg 48.8%
Mathematics31.9%
CA avg 34.6%
Science / CAST (2024-25)22.1%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 03 | 37.8% | 46.0% | — | 111 |
| 04 | 37.2% | 27.9% | — | 86 |
| 05 | 41.6% | 21.2% | 22.1% | 113 |
Enrollment & Demographics (2024-25)
707
Total Students
80.1%
Free/Reduced Lunch
11.6%
English Learners
Staff (2024-25)
22.4:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
23.0%
Chronically Absent
735
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 33751766115174. Academic Year: 2023-24 – 2024-25.