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

Elderberry Elementary

Federal NCES profile for Elderberry Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.

2024-25 NCES dataElementary school (grades K-5)NCES 062847004397
0/100100/10021/100
👥 S:T ratio
5
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
9
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Elderberry Elementary earns 21/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.

#21 of 26
elementary schools in Ontario · Resource Index
21
Resource Index · Lower
23.7:1
students per teacher
74.0%
free-lunch eligible

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

By Resource Investment Index, Elderberry Elementary ranks #21 of 26 elementary schools in Ontario, CA.

School address

Enrollment

544

California · 2024-25 NCES data

Teachers (FTE)

23.0

Federal CCD staff survey

Students per teacher

23.7:1

vs 21.5:1 California avg

+10% vs state

Free-lunch eligible

74.0%

vs 55.5% California avg

+33% vs state

Student-teacher ratio in context

How Elderberry 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 Elderberry Elementary

Elderberry Elementary is a higher-need, mid-sized elementary school in Ontario, California, enrolling 544 students.

Class loads run somewhat heavier than typical: 23.7:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat above the state's typical profile, with 74.0% of students eligible for free meals.

With 544 students, its enrollment sits close to the California median campus size.

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

Against 2,191 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,364.

Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 18/100).

Counselor access is stretched at roughly 544 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 36.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Ontario's elementary schools, it stands alongside Park View Elementary (844 students): Elderberry Elementary is smaller than that campus by headcount and runs leaner classes (23.7:1 vs 25.6:1).

Ontario-Montclair also operates Edison Elementary (736 students) and Central Language Academy (736 students) alongside Elderberry 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 Elderberry Elementary compares

Elderberry 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 23.7:1 ▲ 10% 21.5:1 15.7:1
Free-lunch eligible 74.0% ▲ 33% 55.5% 51.7%
Enrollment 544 top 39% - -

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

23.7:1
Leaner classes than 7% of US schools, heavier class loads than most.
544
Bigger than 67% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
74.0%
free-lunch eligible - 33% 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
23.7:1
students per teacher - 10% above state mean
Top 69% in California - lower ratio than 31% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
36.2%
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
$17,537
per pupil, district-wide - above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 544 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.3 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 90.3%
African American 4.4%
White 2.2%
Asian 2.0%
Two or More 1.1%

Largest group: Hispanic or Latino at 90.3% of enrollment.

Student-body diversity index 18.2/100

Simpson diversity index - at 18.2, Elderberry Elementary is less mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Ontario-Montclair, which includes Elderberry Elementary.

$17,537
Per student
+6%
vs California
Avg $16,509
+6%
vs U.S.
Avg $16,593
Revenue mix
Local 11.5%
State 75.0%
Federal 13.5%

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 Elderberry Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Edison Elementary Larger Lower economic need Higher S:T ratio
Central Language Academy Larger Lower economic need Higher S:T ratio
Ray Wiltsey Middle Larger Similar economic need Lower S:T ratio
Oaks Middle Similar size Similar economic need Lower S:T ratio
Serrano Middle Similar size Similar economic need Lower S:T ratio

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

Other Schools in This District

Ontario-Montclair · 5 sibling schools

View district profile

Similar elementary schools in Ontario

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 Elderberry 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 Elderberry Elementary

How many students attend Elderberry Elementary?

Elderberry Elementary has 544 students enrolled. It is an elementary school in Ontario, CA.

What is the student-teacher ratio at Elderberry Elementary?

The student-teacher ratio at Elderberry Elementary is 23.7:1, which is 10% higher than the California average of 21.5:1 and 51% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Elderberry Elementary?

74.0% of students at Elderberry Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Elderberry Elementary?

The largest demographic group at Elderberry Elementary is Hispanic or Latino at 90.3% of enrollment, in Ontario, CA.

What is the Resource Investment Index for Elderberry Elementary?

Elderberry Elementary has a Resource Investment Index of 21/100 (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 Elderberry Elementary rank among elementary schools in Ontario?

By Resource Investment Index, Elderberry Elementary ranks #21 of 26 elementary schools in Ontario, 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 Ontario on the city page.

Is Elderberry Elementary a good school?

Elderberry Elementary earns 21/100 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 Ontario-Montclair?

Besides Elderberry Elementary, Ontario-Montclair also operates Edison Elementary (736 students), Central Language Academy (736 students), and Ray Wiltsey Middle (727 students). See the Ontario-Montclair 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.