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

Charlotte N. Werner Elementary

Federal NCES profile for Charlotte N. Werner Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063237012308
0/100100/10025/100
👥 S:T ratio
5
🌟 Gifted program
70
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Charlotte N. Werner Elementary earns 25/100 on the Resource Investment Index, with class sizes larger than 70% of California schools.

#11 of 16
elementary schools in Rialto · Resource Index
25
Resource Index · Lower
23.8:1
large classes for California
80.2%
free-lunch eligible

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

By Resource Investment Index, Charlotte N. Werner Elementary ranks #11 of 16 elementary schools in Rialto, CA.

School address

Enrollment

739

California · 2024-25 NCES data

Teachers (FTE)

31.0

Federal CCD staff survey

Students per teacher

23.8:1

vs 21.5:1 California avg

+11% vs state

Free-lunch eligible

80.2%

vs 55.5% California avg

+45% vs state

Student-teacher ratio in context

How Charlotte N. Werner 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 Charlotte N. Werner Elementary

Charlotte N. Werner Elementary is a high-poverty, mid-sized elementary school in Rialto, California, enrolling 739 students.

Class loads run somewhat heavier than typical: 23.8:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat above the state's typical profile, with 80.2% of students eligible for free meals.

Enrollment of 739 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 1,702 statewide peers matched on enrollment and economic need, it ranks mid-pack at #788.

Its student body is predominantly Hispanic or Latino (84% of enrollment) (diversity index 28/100).

Chronic absenteeism is elevated: 45.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Rialto's elementary schools, it stands alongside Sam V. Curtis Elementary (702 students): Charlotte N. Werner Elementary is larger than that campus by headcount and runs leaner classes (23.8:1 vs 26:1).

Rialto Unified also operates Rialto High (2,623 students) and Eisenhower High (2,075 students) alongside Charlotte N. Werner 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 Charlotte N. Werner Elementary compares

Charlotte N. Werner 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 23.8:1 ▲ 11% 21.5:1 15.7:1
Free-lunch eligible 80.2% ▲ 45% 55.5% 51.7%
Enrollment 739 top 21% - -

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

23.8:1
Leaner classes than 7% of US schools, heavier class loads than most.
739
Bigger than 82% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
80.2%
free-lunch eligible - 45% 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
23.8:1
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
45.7%
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
2
in-school suspensions + 15 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 2.3 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 84.4%
African American 11.1%
Two or More 1.9%
White 0.9%
Asian 0.9%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.1%

Largest group: Hispanic or Latino at 84.4% of enrollment.

Student-body diversity index 27.5/100

Simpson diversity index - at 27.5, Charlotte N. Werner 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 Charlotte N. Werner 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 Charlotte N. Werner Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Rialto High Larger Lower economic need Lower 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 Charlotte N. Werner 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 Charlotte N. Werner 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 Charlotte N. Werner Elementary

How many students attend Charlotte N. Werner Elementary?

Charlotte N. Werner Elementary has 739 students enrolled. It is an elementary school in Rialto, CA.

What is the student-teacher ratio at Charlotte N. Werner Elementary?

The student-teacher ratio at Charlotte N. Werner Elementary is 23.8:1, 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 Charlotte N. Werner Elementary?

80.2% of students at Charlotte N. Werner Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Charlotte N. Werner Elementary?

The largest demographic group at Charlotte N. Werner Elementary is Hispanic or Latino at 84.4% of enrollment, in Rialto, CA.

What is the Resource Investment Index for Charlotte N. Werner Elementary?

Charlotte N. Werner Elementary has a Resource Investment Index of 25/100 (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 Charlotte N. Werner Elementary rank among elementary schools in Rialto?

By Resource Investment Index, Charlotte N. Werner Elementary ranks #11 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 Charlotte N. Werner Elementary a good school?

Charlotte N. Werner Elementary earns 25/100 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 Rialto Unified?

Besides Charlotte N. Werner 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.

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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.