Enrollment
521
California · 2024-25 NCES data
Elementary school (grades K-5) · Chino Hills, CA
Oak Ridge Elementary
Federal NCES profile for Oak Ridge Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060846009348
👥 S:T ratio 1
🌟 Gifted program 70
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Ridge Elementary earns 37/100 on the Resource Investment Index, with class sizes larger than 78% of California schools. It is also more racially and ethnically mixed than most California schools.
- #8 of 11
- elementary schools in Chino Hills · Resource Index
- 37
- Resource Index · Typical
- 24.8:1
- large classes for California
- 28.0%
- free-lunch eligible
Oak Ridge Elementary has class sizes larger than 78% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oak Ridge Elementary ranks #8 of 11 elementary schools in Chino Hills, CA.
School address
District: Chino Valley Unified · California
NCES ID 060846009348 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
24.8:1
vs 21.5:1 California avg
+15% vs state
Free-lunch eligible
28.0%
vs 55.5% California avg
-50% vs state
Student-teacher ratio in context
How Oak Ridge Elementary compares with California and U.S. medians
What stands out at Oak Ridge Elementary
Oak Ridge Elementary is a mid-sized elementary school in Chino Hills, California, enrolling 521 students.
Class loads run somewhat heavier than typical: 24.8:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 28.0% of students eligible for free meals.
With 521 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,348 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #435.
Its student body is led by Hispanic or Latino (38%) and Asian (33%), more mixed than most schools in the state (diversity index 71/100).
Attendance runs somewhat below the norm, with 24.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Chino Hills's elementary schools, it stands alongside Michael G. Wickman Elementary (710 students): Oak Ridge Elementary is smaller than that campus by headcount and runs leaner classes (24.8:1 vs 25.4:1).
Chino Valley Unified also operates Chino Hills High (2,748 students) and Ruben S. Ayala High (2,541 students) alongside Oak Ridge 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 Oak Ridge Elementary compares
Oak Ridge 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 | 24.8:1 | ▲ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 28.0% | ▼ 50% | 55.5% | 51.7% |
| Enrollment | 521 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.8:1
Leaner classes than 5% of US schools, heavier class loads than most.
521
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
28.0%
free-lunch eligible
- 50% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
24.8:1
students per teacher
- 15% above state mean
Top 78% in California - lower ratio than 22% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
24.2%
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
$13,384
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
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 37.8%
Asian 32.6%
White 16.5%
Two or More 10.0%
African American 3.1%
Largest group: Hispanic or Latino at 37.8% of enrollment.
Student-body diversity index 71.3/100
Simpson diversity index - at 71.3, Oak Ridge Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Chino Valley Unified, which includes Oak Ridge Elementary.
$13,384
Per student
-19%
vs California
Avg $16,509
-19%
vs U.S.
Avg $16,593
Revenue mix
Local 35.4%
State 53.7%
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 Oak Ridge Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Chino Hills High | Larger | Similar economic need | Similar S:T ratio |
| Ruben S. Ayala High | Larger | Similar economic need | Similar S:T ratio |
| Chino High | Larger | Higher economic need | Similar S:T ratio |
| Don Antonio Lugo High | Larger | Higher economic need | Lower S:T ratio |
| Canyon Hills Junior High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Oak Ridge Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,748
- Students per teacher
- 25.4:1
- Resource Index
- 20/100
- Enrollment
- 2,541
- Students per teacher
- 24.7:1
- Resource Index
- 27/100
- Enrollment
- 2,077
- Students per teacher
- 23.9:1
- Resource Index
- 25/100
- Enrollment
- 1,256
- Students per teacher
- 16.7:1
- Resource Index
- 30/100
- Enrollment
- 1,070
- Students per teacher
- 28.2:1
- Resource Index
- 44/100
Similar elementary schools in Chino Hills
6 comparable elementary schools (grades K-5) serving the same city.
Michael G. Wickman Elementary
Standard public school
710 students 25.4:1 students per teacher
Eagle Canyon Elementary
Standard public school
631 students 27.4:1 students per teacher
Gerald F. Litel Elementary
Standard public school
616 students 26.8:1 students per teacher
Chaparral Elementary
Standard public school
616 students 22:1 students per teacher
Butterfield Ranch Elementary
Standard public school
607 students 28.9:1 students per teacher
Country Springs Elementary
Standard public school
588 students 25.6:1 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 (~521 students)
Next steps
Verify locally before acting on Oak Ridge Elementary's federal record.
- Compare Oak Ridge Elementary against another school. Compare schools
- Chino Valley Unified'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 Oak Ridge Elementary
How many students attend Oak Ridge Elementary?
Oak Ridge Elementary has 521 students enrolled. It is an elementary school in Chino Hills, CA.
What is the student-teacher ratio at Oak Ridge Elementary?
The student-teacher ratio at Oak Ridge Elementary is 24.8:1, which is 15% higher than the California average of 21.5:1 and 58% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oak Ridge Elementary?
28.0% of students at Oak Ridge Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oak Ridge Elementary?
The largest demographic group at Oak Ridge Elementary is Hispanic or Latino at 37.8% of enrollment, in Chino Hills, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.3/100.
What is the Resource Investment Index for Oak Ridge Elementary?
Oak Ridge Elementary has a Resource Investment Index of 37/100 (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 Oak Ridge Elementary rank among elementary schools in Chino Hills?
By Resource Investment Index, Oak Ridge Elementary ranks #8 of 11 elementary schools in Chino Hills, 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 Chino Hills on the city page.
Is Oak Ridge Elementary a good school?
Oak Ridge Elementary earns 37/100 on the Resource Investment Index, with class sizes larger than 78% of California schools. It is also more 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 Chino Valley Unified?
Besides Oak Ridge Elementary, Chino Valley Unified also operates Chino Hills High (2,748 students), Ruben S. Ayala High (2,541 students), and Chino High (2,077 students). See the Chino Valley Unified 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.