Enrollment
647
Ohio · 2024-25 NCES data
High school (grades 9-12) · Cincinnati, OH
Federal NCES profile for Diamond Oaks Cdc, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Diamond Oaks Cdc earns 26/100 on the Resource Investment Index, with class sizes near the Ohio median.
Diamond Oaks Cdc has class sizes near the Ohio median. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, Diamond Oaks Cdc ranks #14 of 20 high schools in Cincinnati, OH.
NCES ID 390510604065 Verify on NCES CCD record →
Enrollment
647
Ohio · 2024-25 NCES data
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 18.2:1 Ohio avg
-9% vs state
Free-lunch eligible
34.0%
vs 31.6% Ohio avg
+8% vs state
How Diamond Oaks Cdc compares with Ohio and U.S. medians
At or below state median
16.6:1 - 1.6 below the Ohio state median of 18.2:1, indicating smaller average class loads than typical schools in the state.
Diamond Oaks Cdc is a mid-sized high school in Cincinnati, Ohio, enrolling 647 students.
At 16.6:1, its student-teacher ratio sits close to the Ohio median, within a few percentage points of the 18.2:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 34.0% lands close to the Ohio typical range, neither a high- nor low-need campus by this measure.
Enrollment of 647 puts it in the larger third of Ohio schools by headcount.
Its Resource Investment Index lands in the lower third of 3,574 scored Ohio schools.
Among 622 similarly sized, similarly resourced-need Ohio schools statewide, it ranks #489, in the lower tier once campus size and economic need are matched.
Its student body is led by White (66%) and African American (22%) (diversity index 52/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 216 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 54.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Great Oaks Career Campuses spends $23,477 per pupil, 60% above the Ohio average, a better-resourced district than most.
Among Cincinnati's high schools, it stands alongside Oak Hills High School (2,255 students): Diamond Oaks Cdc is smaller than that campus by headcount and runs leaner classes (16.6:1 vs 24:1).
Great Oaks Career Campuses also operates Scarlet Oaks Cdc (1,023 students) and Laurel Oaks Cdc (710 students) alongside Diamond Oaks Cdc.
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
Diamond Oaks Cdc on the metrics families compare, against Ohio and U.S. means.
| Metric | This school | vs Ohio | Ohio avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.6:1 | ▼ 9% | 18.2:1 | 15.7:1 |
| Free-lunch eligible | 34.0% | ▲ 8% | 31.6% | 51.7% |
| Enrollment | 647 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 65.5% of enrollment.
Simpson diversity index - at 51.6, Diamond Oaks Cdc is more mixed than the Ohio school average of 35.3.
District-wide per-pupil expenditure for Great Oaks Career Campuses, which includes Diamond Oaks Cdc.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Scarlet Oaks Cdc | Larger | Similar economic need | Higher S:T ratio |
| Laurel Oaks Cdc | Similar size | Similar economic need | Higher S:T ratio |
| Live Oaks Cdc | Similar size | Lower economic need | Lower S:T ratio |
| Instructional Resource Center | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Diamond Oaks Cdc's own figures; each column derives from NCES Common Core of Data.
6 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Ohio, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Diamond Oaks Cdc'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.
Diamond Oaks Cdc has 647 students enrolled. It is a high school in Cincinnati, OH.
The student-teacher ratio at Diamond Oaks Cdc is 16.6:1, which is 9% lower than the Ohio average of 18.2:1 and 6% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
34.0% of students at Diamond Oaks Cdc are eligible for free lunch, compared to the Ohio average of 31.6%.
The largest demographic group at Diamond Oaks Cdc is White at 65.5% of enrollment, in Cincinnati, OH. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.6/100.
Diamond Oaks Cdc has a Resource Investment Index of 26/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Diamond Oaks Cdc ranks #14 of 20 high schools in Cincinnati, OH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Cincinnati on the city page.
Diamond Oaks Cdc earns 26/100 on the Resource Investment Index, with class sizes near the Ohio median. 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.
Besides Diamond Oaks Cdc, Great Oaks Career Campuses also operates Scarlet Oaks Cdc (1,023 students), Laurel Oaks Cdc (710 students), and Live Oaks Cdc (593 students). See the Great Oaks Career Campuses district page for the complete list.
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.
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PlainSchools, “Diamond Oaks Cdc, Cincinnati OH.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/diamond-oaks-cdc-oh/
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