Elementary school (grades K-5) · Wildomar, CA

William Collier Elementary

Federal NCES profile for William Collier Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060002707605
0/100100/10024/100
👥 S:T ratio
2
🌟 Gifted program
70
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

William Collier Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 75% of California schools.

#4 of 5
elementary schools in Wildomar · Resource Index
24
Resource Index · Lower
24.4:1
large classes for California
64.5%
free-lunch eligible

William Collier Elementary has class sizes larger than 75% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, William Collier Elementary ranks #4 of 5 elementary schools in Wildomar, CA.

Enrollment

707

California · 2024-25 NCES data

Teachers (FTE)

29.0

Federal CCD staff survey

Students per teacher

24.4:1

vs 21.5:1 California avg

+13% vs state

Free-lunch eligible

64.5%

vs 55.5% California avg

+16% vs state

Student-teacher ratio in context

How William Collier Elementary compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at William Collier Elementary

William Collier Elementary is a higher-need, mid-sized elementary school in Wildomar, California, enrolling 707 students.

Class loads run somewhat heavier than typical: 24.4:1 puts it in the larger third of California schools by student-teacher ratio.

Its free-meal eligibility rate of 64.5% lands close to the California typical range, neither a high- nor low-need campus by this measure.

Enrollment of 707 puts it in the larger third of California schools by headcount.

Its Resource Investment Index lands in the lower third of 9,998 scored California schools.

Against 1,755 statewide peers matched on enrollment and economic need, it ranks mid-pack at #854.

Its student body is led by Hispanic or Latino (67%) and White (16%) (diversity index 52/100).

Chronic absenteeism is elevated: 44.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Wildomar's elementary schools, it stands alongside Wildomar Elementary (620 students): William Collier Elementary is larger than that campus by headcount and runs leaner classes (24.4:1 vs 25.8:1).

Lake Elsinore Unified also operates Temescal Canyon High (2,373 students) and Elsinore High (1,927 students) alongside William Collier Elementary.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How William Collier Elementary compares

William Collier Elementary on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 24.4:1 ▲ 13% 21.5:1 15.7:1
Free-lunch eligible 64.5% ▲ 16% 55.5% 51.7%
Enrollment 707 top 23% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

24.4:1
Leaner classes than 6% of US schools, heavier class loads than most.
707
Bigger than 81% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
64.5%
free-lunch eligible - 16% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.4:1
students per teacher - 13% above state mean
Top 75% in California - lower ratio than 25% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
44.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,740
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 66.6%
White 16.4%
African American 6.2%
Two or More 6.2%
Asian 3.7%
Native Hawaiian / Pacific Islander 0.8%

Largest group: Hispanic or Latino at 66.6% of enrollment.

Student-body diversity index 52.0/100

Simpson diversity index - at 52.0, William Collier Elementary is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Lake Elsinore Unified, which includes William Collier Elementary.

$14,740
Per student
-11%
vs California
Avg $16,509
-11%
vs U.S.
Avg $16,593
Revenue mix
Local 25.9%
State 61.4%
Federal 12.6%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How William Collier Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Temescal Canyon High Larger Lower economic need Higher S:T ratio
Elsinore High Larger Similar economic need Lower S:T ratio
Lakeside High Larger Similar economic need Similar S:T ratio
David a. Brown Middle Larger Similar economic need Higher S:T ratio
Terra Cotta Middle Larger Similar economic need Similar S:T ratio

Comparisons are relative to William Collier Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Lake Elsinore Unified · 5 sibling schools

View district profile

Similar elementary schools in Wildomar

4 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on William Collier Elementary's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about William Collier Elementary

How many students attend William Collier Elementary?

William Collier Elementary has 707 students enrolled. It is an elementary school in Wildomar, CA.

What is the student-teacher ratio at William Collier Elementary?

The student-teacher ratio at William Collier Elementary is 24.4:1, which is 13% higher than the California average of 21.5:1 and 55% higher than the national average of 15.7:1.

What percentage of students receive free lunch at William Collier Elementary?

64.5% of students at William Collier Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of William Collier Elementary?

The largest demographic group at William Collier Elementary is Hispanic or Latino at 66.6% of enrollment, in Wildomar, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.0/100.

What is the Resource Investment Index for William Collier Elementary?

William Collier Elementary has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does William Collier Elementary rank among elementary schools in Wildomar?

By Resource Investment Index, William Collier Elementary ranks #4 of 5 elementary schools in Wildomar, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Wildomar on the city page.

Is William Collier Elementary a good school?

William Collier Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 75% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Lake Elsinore Unified?

Besides William Collier Elementary, Lake Elsinore Unified also operates Temescal Canyon High (2,373 students), Elsinore High (1,927 students), and Lakeside High (1,687 students). See the Lake Elsinore Unified district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.