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

Winn a. Myers Elementary

Federal NCES profile for Winn a. Myers Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063237004996
0/100100/10030/100
👥 S:T ratio
8
🌟 Gifted program
70
📋 Attendance
13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Winn a. Myers Elementary earns 30/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.

#6 of 16
elementary schools in Rialto · Resource Index
30
Resource Index · Lower
23.1:1
students per teacher
78.6%
free-lunch eligible

Winn a. Myers Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Winn a. Myers Elementary ranks #6 of 16 elementary schools in Rialto, CA.

School address

Enrollment

461

California · 2024-25 NCES data

Teachers (FTE)

20.0

Federal CCD staff survey

Students per teacher

23.1:1

vs 21.5:1 California avg

+7% vs state

Free-lunch eligible

78.6%

vs 55.5% California avg

+42% vs state

Student-teacher ratio in context

How Winn a. Myers 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 Winn a. Myers Elementary

Winn a. Myers Elementary is a high-poverty, mid-sized elementary school in Rialto, California, enrolling 461 students.

Class loads run somewhat heavier than typical: 23.1:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat above the state's typical profile, with 78.6% of students eligible for free meals.

With 461 students, its enrollment sits close to the California median campus size.

Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.

Against 2,103 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #665.

Its student body is predominantly Hispanic or Latino (91% of enrollment), among the less diverse in the state (diversity index 18/100).

Chronic absenteeism is elevated: 34.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Rialto's elementary schools, it stands alongside Charlotte N. Werner Elementary (739 students): Winn a. Myers Elementary is smaller than that campus by headcount and runs leaner classes (23.1:1 vs 23.8:1).

Rialto Unified also operates Rialto High (2,623 students) and Eisenhower High (2,075 students) alongside Winn a. Myers 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 Winn a. Myers Elementary compares

Winn a. Myers 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 23.1:1 ▲ 7% 21.5:1 15.7:1
Free-lunch eligible 78.6% ▲ 42% 55.5% 51.7%
Enrollment 461 top 51% - -

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

23.1:1
Leaner classes than 8% of US schools, heavier class loads than most.
461
Bigger than 56% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
78.6%
free-lunch eligible - 42% 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
23.1:1
students per teacher - 7% above state mean
Top 63% in California - lower ratio than 37% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
34.7%
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
$15,995
per pupil, district-wide - below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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 90.5%
African American 6.3%
White 1.3%
Asian 1.1%
Two or More 0.7%
Native Hawaiian / Pacific Islander 0.2%

Largest group: Hispanic or Latino at 90.5% of enrollment.

Student-body diversity index 17.7/100

Simpson diversity index - at 17.7, Winn a. Myers Elementary is less mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Rialto Unified, which includes Winn a. Myers Elementary.

$15,995
Per student
-3%
vs California
Avg $16,509
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 16.4%
State 72.8%
Federal 10.9%

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 Winn a. Myers Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Rialto High Larger Similar economic need Similar S:T ratio
Eisenhower High Larger Similar economic need Lower S:T ratio
Wilmer Amina Carter High Larger Lower economic need Lower S:T ratio
William G. Jehue Middle Larger Similar economic need Higher S:T ratio
Rialto Middle Larger Similar economic need Similar S:T ratio

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

Other Schools in This District

Rialto Unified · 5 sibling schools

View district profile

Similar elementary schools in Rialto

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 Winn a. Myers 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 Winn a. Myers Elementary

How many students attend Winn a. Myers Elementary?

Winn a. Myers Elementary has 461 students enrolled. It is an elementary school in Rialto, CA.

What is the student-teacher ratio at Winn a. Myers Elementary?

The student-teacher ratio at Winn a. Myers Elementary is 23.1:1, which is 7% higher than the California average of 21.5:1 and 47% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Winn a. Myers Elementary?

78.6% of students at Winn a. Myers Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Winn a. Myers Elementary?

The largest demographic group at Winn a. Myers Elementary is Hispanic or Latino at 90.5% of enrollment, in Rialto, CA.

What is the Resource Investment Index for Winn a. Myers Elementary?

Winn a. Myers Elementary has a Resource Investment Index of 30/100 (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 Winn a. Myers Elementary rank among elementary schools in Rialto?

By Resource Investment Index, Winn a. Myers Elementary ranks #6 of 16 elementary schools in Rialto, 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 Rialto on the city page.

Is Winn a. Myers Elementary a good school?

Winn a. Myers Elementary earns 30/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most 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 Rialto Unified?

Besides Winn a. Myers Elementary, Rialto Unified also operates Rialto High (2,623 students), Eisenhower High (2,075 students), and Wilmer Amina Carter High (1,951 students). See the Rialto 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.

View saved

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.