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

William Mckinley Elementary

Federal NCES profile for William Mckinley 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 060985000932
0/100100/10024/100
👥 S:T ratio
4
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

William Mckinley Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 70% of California schools.

#16 of 24
elementary schools in Corona · Resource Index
24
Resource Index · Lower
23.9:1
large classes for California
56.5%
free-lunch eligible

William Mckinley Elementary has class sizes larger than 70% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, William Mckinley Elementary ranks #16 of 24 elementary schools in Corona, CA.

School address

Enrollment

598

California · 2024-25 NCES data

Teachers (FTE)

25.0

Federal CCD staff survey

Students per teacher

23.9:1

vs 21.5:1 California avg

+11% vs state

Free-lunch eligible

56.5%

vs 55.5% California avg

+2% vs state

Student-teacher ratio in context

How William Mckinley 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 Mckinley Elementary

William Mckinley Elementary is a higher-need, mid-sized elementary school in Corona, California, enrolling 598 students.

Class loads run somewhat heavier than typical: 23.9:1 puts it in the larger third of California schools by student-teacher ratio.

Its free-meal eligibility rate of 56.5% lands close to the California typical range, neither a high- nor low-need campus by this measure.

Enrollment of 598 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 1,698 statewide peers matched on enrollment and economic need, it ranks mid-pack at #898.

Its student body is led by Hispanic or Latino (56%) and White (16%) (diversity index 64/100).

Counselor access is stretched at roughly 598 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 30.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Corona's elementary schools, it stands alongside Cesar Chavez Academy (1,024 students): William Mckinley Elementary is smaller than that campus by headcount and runs leaner classes (23.9:1 vs 26.9:1).

Corona-Norco Unified also operates Eleanor Roosevelt High (4,353 students) and Santiago High (3,577 students) alongside William Mckinley 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 Mckinley Elementary compares

William Mckinley 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 23.9:1 ▲ 11% 21.5:1 15.7:1
Free-lunch eligible 56.5% ▲ 2% 55.5% 51.7%
Enrollment 598 top 33% - -

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

23.9:1
Leaner classes than 7% of US schools, heavier class loads than most.
598
Bigger than 72% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
56.5%
free-lunch eligible - 2% 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
23.9:1
students per teacher - 11% above state mean
Top 70% in California - lower ratio than 30% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
30.8%
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
$13,711
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
Counselors1.0 FTE
Per 598 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 11 out-of-school
Suspension rate: 1.8 per 100 students. Combined in-school and out-of-school rate: 3.7 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 55.7%
White 15.9%
African American 10.7%
Asian 9.7%
Two or More 7.0%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.3%

Largest group: Hispanic or Latino at 55.7% of enrollment.

Student-body diversity index 63.9/100

Simpson diversity index - at 63.9, William Mckinley Elementary is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Corona-Norco Unified, which includes William Mckinley Elementary.

$13,711
Per student
-17%
vs California
Avg $16,509
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 26.7%
State 61.1%
Federal 12.2%

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 Mckinley Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Eleanor Roosevelt High Larger Lower economic need Similar S:T ratio
Santiago High Larger Lower economic need Higher S:T ratio
Centennial High Larger Similar economic need Lower S:T ratio
Corona High Larger Similar economic need Similar S:T ratio
Norco High Larger Lower economic need Similar S:T ratio

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

Other Schools in This District

Corona-Norco Unified · 5 sibling schools

View district profile

Similar elementary schools in Corona

6 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 Mckinley 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 Mckinley Elementary

How many students attend William Mckinley Elementary?

William Mckinley Elementary has 598 students enrolled. It is an elementary school in Corona, CA.

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

The student-teacher ratio at William Mckinley Elementary is 23.9:1, which is 11% higher than the California average of 21.5:1 and 52% higher than the national average of 15.7:1.

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

56.5% of students at William Mckinley Elementary are eligible for free lunch, compared to the California average of 55.5%.

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

The largest demographic group at William Mckinley Elementary is Hispanic or Latino at 55.7% of enrollment, in Corona, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.9/100.

What is the Resource Investment Index for William Mckinley Elementary?

William Mckinley Elementary has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does William Mckinley Elementary rank among elementary schools in Corona?

By Resource Investment Index, William Mckinley Elementary ranks #16 of 24 elementary schools in Corona, 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 Corona on the city page.

Is William Mckinley Elementary a good school?

William Mckinley Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 70% 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 Corona-Norco Unified?

Besides William Mckinley Elementary, Corona-Norco Unified also operates Eleanor Roosevelt High (4,353 students), Santiago High (3,577 students), and Centennial High (2,712 students). See the Corona-Norco 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.