Enrollment
736
California · 2024-25 NCES data
Elementary school (grades K-5) · Ontario, CA
Edison Elementary
Federal NCES profile for Edison Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062847004395
👥 S:T ratio 0
🌟 Gifted program 70
📋 Attendance 74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Edison Elementary earns 48/100 on the Resource Investment Index, with class sizes larger than 86% of California schools.
- #3 of 26
- elementary schools in Ontario · Resource Index
- 48
- Resource Index · Typical
- 26.3:1
- large classes for California
- 53.7%
- free-lunch eligible
Edison Elementary has class sizes larger than 86% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Edison Elementary ranks #3 of 26 elementary schools in Ontario, CA.
School address
District: Ontario-Montclair · California
NCES ID 062847004395 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
26.3:1
vs 21.5:1 California avg
+22% vs state
Free-lunch eligible
53.7%
vs 55.5% California avg
-3% vs state
Student-teacher ratio in context
How Edison Elementary compares with California and U.S. medians
What stands out at Edison Elementary
Edison Elementary is a higher-need, mid-sized elementary school in Ontario, California, enrolling 736 students.
Class loads run heavy: 26.3:1 is larger than about 86% of California schools and 22% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 53.7% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 736 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 91% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,364 similarly sized, similarly resourced-need California schools statewide, it ranks #18, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (76%) and White (11%) (diversity index 40/100).
10.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Ontario's elementary schools, it stands alongside Park View Elementary (844 students): Edison Elementary is smaller than that campus by headcount and runs heavier classes (26.3:1 vs 25.6:1).
Ontario-Montclair also operates Central Language Academy (736 students) and Ray Wiltsey Middle (727 students) alongside Edison 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 Edison Elementary compares
Edison 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 | 26.3:1 | ▲ 22% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 53.7% | ▼ 3% | 55.5% | 51.7% |
| Enrollment | 736 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.3:1
Leaner classes than 4% of US schools, heavier class loads than most.
736
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
53.7%
free-lunch eligible
- 3% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
26.3:1
students per teacher
- 22% above state mean
Top 86% in California - lower ratio than 14% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
10.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 2 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 0.7 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 76.4%
White 10.6%
Asian 8.2%
Two or More 2.3%
African American 1.2%
Native Hawaiian / Pacific Islander 0.8%
American Indian / Alaska Native 0.5%
Largest group: Hispanic or Latino at 76.4% of enrollment.
Student-body diversity index 39.8/100
Simpson diversity index - at 39.8, Edison 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 Edison 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 Edison Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Language Academy | Similar size | Similar economic need | Similar S:T ratio |
| Ray Wiltsey Middle | Similar size | Higher economic need | Lower S:T ratio |
| Oaks Middle | Similar size | Higher economic need | Lower S:T ratio |
| Serrano Middle | Similar size | Higher economic need | Lower S:T ratio |
| Richard Haynes Elementary | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Edison Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 736
- Students per teacher
- 25.4:1
- Resource Index
- 27/100
- Enrollment
- 727
- Students per teacher
- 18.2:1
- Resource Index
- 36/100
- Enrollment
- 668
- Students per teacher
- 21.5:1
- Resource Index
- 21/100
- Enrollment
- 657
- Students per teacher
- 17.3:1
- Resource Index
- 34/100
- Enrollment
- 641
- Students per teacher
- 21.4:1
- Resource Index
- 21/100
Similar elementary schools in Ontario
6 comparable elementary schools (grades K-5) serving the same city.
Park View Elementary
Standard public school
844 students 25.6:1 students per teacher
Ranch View Elementary
Standard public school
738 students 30.8:1 students per teacher
Central Language Academy
Standard public school
736 students 25.4:1 students per teacher
Richard Haynes Elementary
Standard public school
641 students 21.4:1 students per teacher
Berlyn Elementary
Standard public school
639 students 22:1 students per teacher
Bon View Elementary
Standard public school
598 students 23.9:1 students per teacher
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.
Similar enrollment (~736 students)
Similar student-teacher ratio (~26.3:1)
Next steps
Verify locally before acting on Edison Elementary's federal record.
- Compare Edison Elementary against another school. Compare schools
- Ontario-Montclair's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Edison Elementary
How many students attend Edison Elementary?
Edison Elementary has 736 students enrolled. It is an elementary school in Ontario, CA.
What is the student-teacher ratio at Edison Elementary?
The student-teacher ratio at Edison Elementary is 26.3:1, which is 22% higher than the California average of 21.5:1 and 68% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Edison Elementary?
53.7% of students at Edison Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Edison Elementary?
The largest demographic group at Edison Elementary is Hispanic or Latino at 76.4% of enrollment, in Ontario, CA.
What is the Resource Investment Index for Edison Elementary?
Edison Elementary has a Resource Investment Index of 48/100 (typical 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 Edison Elementary rank among elementary schools in Ontario?
By Resource Investment Index, Edison Elementary ranks #3 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 Edison Elementary a good school?
Edison Elementary earns 48/100 on the Resource Investment Index, with class sizes larger than 86% 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 Ontario-Montclair?
Besides Edison Elementary, Ontario-Montclair also operates Central Language Academy (736 students), Ray Wiltsey Middle (727 students), and Oaks Middle (668 students). See the Ontario-Montclair district page for the complete list.
Related tools
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.