Enrollment
668
California · 2024-25 NCES data
Middle school (grades 6-8) · Ontario, CA
Oaks Middle
Federal NCES profile for Oaks Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 062847006433
👥 S:T ratio 14
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oaks Middle 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.
- #6 of 6
- middle schools in Ontario · Resource Index
- 21
- Resource Index · Lower
- 21.5:1
- students per teacher
- 67.1%
- free-lunch eligible
Oaks Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oaks Middle ranks #6 of 6 middle schools in Ontario, CA.
School address
District: Ontario-Montclair · California
NCES ID 062847006433 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
21.5:1
vs 21.5:1 California avg
+0% vs state
Free-lunch eligible
67.1%
vs 55.5% California avg
+21% vs state
Student-teacher ratio in context
How Oaks Middle compares with California and U.S. medians
What stands out at Oaks Middle
Oaks Middle is a higher-need, mid-sized middle school in Ontario, California, enrolling 668 students.
At 21.5:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 67.1% of students eligible for free meals.
Enrollment of 668 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 1,932 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,203.
Its student body is predominantly Hispanic or Latino (89% of enrollment), among the less diverse in the state (diversity index 20/100).
Counselor access is stretched at roughly 668 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 42.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Ontario's middle schools, it stands alongside Ray Wiltsey Middle (727 students): Oaks Middle is smaller than that campus by headcount and runs heavier classes (21.5:1 vs 18.2:1).
Ontario-Montclair also operates Edison Elementary (736 students) and Central Language Academy (736 students) alongside Oaks Middle.
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 Oaks Middle compares
Oaks Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.5:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 67.1% | ▲ 21% | 55.5% | 51.7% |
| Enrollment | 668 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.5:1
Leaner classes than 12% of US schools, heavier class loads than most.
668
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
67.1%
free-lunch eligible
- 21% 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
21.5:1
students per teacher
- 0% above state mean
Top 48% in California - lower ratio than 52% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
42.5%
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 668 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 39 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.8 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 89.1%
Asian 4.2%
African American 2.5%
White 2.2%
American Indian / Alaska Native 1.0%
Two or More 0.6%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 89.1% of enrollment.
Student-body diversity index 20.3/100
Simpson diversity index - at 20.3, Oaks Middle 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 Oaks Middle.
$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 Oaks Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edison Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Central Language Academy | Similar size | Similar economic need | Higher S:T ratio |
| Ray Wiltsey Middle | Similar size | Higher economic need | Lower S:T ratio |
| Serrano Middle | Similar size | Similar economic need | Lower S:T ratio |
| Richard Haynes Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Oaks Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 736
- Students per teacher
- 26.3:1
- Resource Index
- 48/100
- 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
- 657
- Students per teacher
- 17.3:1
- Resource Index
- 34/100
- Enrollment
- 641
- Students per teacher
- 21.4:1
- Resource Index
- 21/100
Similar middle schools in Ontario
5 comparable middle schools (grades 6-8) serving the same city.
Ray Wiltsey Middle
Standard public school
727 students 18.2:1 students per teacher
Grace Yokley Junior High
Standard public school
606 students 20.2:1 students per teacher
Vina Danks Middle
Standard public school
544 students 16:1 students per teacher
De Anza Middle
Standard public school
510 students 15.5:1 students per teacher
Woodcrest Junior High
Standard public school
324 students 19.1:1 students per teacher
Similar middle 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 (~668 students)
Similar student-teacher ratio (~21.5:1)
Next steps
Verify locally before acting on Oaks Middle's federal record.
- Compare Oaks Middle 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 Oaks Middle
How many students attend Oaks Middle?
Oaks Middle has 668 students enrolled. It is a middle school in Ontario, CA.
What is the student-teacher ratio at Oaks Middle?
The student-teacher ratio at Oaks Middle is 21.5:1, which is 0% higher than the California average of 21.5:1 and 37% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oaks Middle?
67.1% of students at Oaks Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oaks Middle?
The largest demographic group at Oaks Middle is Hispanic or Latino at 89.1% of enrollment, in Ontario, CA.
What is the Resource Investment Index for Oaks Middle?
Oaks Middle 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 Oaks Middle rank among middle schools in Ontario?
By Resource Investment Index, Oaks Middle ranks #6 of 6 middle 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 middle schools in Ontario on the city page.
Is Oaks Middle a good school?
Oaks Middle 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 Oaks Middle, 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.
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.