Enrollment
302
Ohio · 2024-25 NCES data
Elementary school (grades K-5) · Cleveland, OH
Federal NCES profile for Horizon Science Academy-Denison Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Horizon Science Academy-Denison Middle School earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 85% of Ohio schools. It is also more racially and ethnically mixed than most Ohio schools.
Horizon Science Academy-Denison Middle School has class sizes smaller than 85% of Ohio schools. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, Horizon Science Academy-Denison Middle School ranks #22 of 47 elementary schools in Cleveland, OH.
NCES ID 390045405013 Verify on NCES CCD record →
Enrollment
302
Ohio · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
13.1:1
vs 18.2:1 Ohio avg
-28% vs state
How Horizon Science Academy-Denison Middle School compares with Ohio and U.S. medians
Horizon Science Academy-Denison Middle School is a mid-sized charter elementary school in Cleveland, Ohio, enrolling 302 students.
Classes run notably small here: at 13.1:1, Horizon Science Academy-Denison Middle School is leaner than roughly 85% of Ohio schools and 28% under the state's 18.2:1 norm, more adult attention per pupil than most peers.
Enrollment of 302 puts it in the smaller third of Ohio schools by headcount.
Its Resource Investment Index lands in the lower third of 3,574 scored Ohio schools.
Its student body is led by African American (55%) and Hispanic or Latino (26%), more mixed than most schools in the state (diversity index 61/100).
Chronic absenteeism is elevated: 59.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 35.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Cleveland's elementary schools, it stands alongside Campus International School (690 students): Horizon Science Academy-Denison Middle School is smaller than that campus by headcount and runs leaner classes (13.1:1 vs 15.3:1).
Horizon Science Academy-Denison Middle School is a single-school charter district, so Horizon Science Academy-Denison Middle School operates independently rather than alongside district-mates.
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
Horizon Science Academy-Denison Middle School on the metrics families compare, against Ohio and U.S. means.
| Metric | This school | vs Ohio | Ohio avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.1:1 | ▼ 28% | 18.2:1 | 15.7:1 |
| Enrollment | 302 | top 68% | - | - |
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: African American at 55.0% of enrollment.
Simpson diversity index - at 61.3, Horizon Science Academy-Denison Middle School is more mixed than the Ohio school average of 35.3.
District-wide per-pupil expenditure for Horizon Science Academy-Denison Middle School, which includes Horizon Science Academy-Denison Middle School.
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.
6 comparable elementary schools (grades K-5) 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 Horizon Science Academy-Denison Middle School'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.
Horizon Science Academy-Denison Middle School has 302 students enrolled. It is an elementary school in Cleveland, OH.
The student-teacher ratio at Horizon Science Academy-Denison Middle School is 13.1:1, which is 28% lower than the Ohio average of 18.2:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Horizon Science Academy-Denison Middle School is African American at 55.0% of enrollment, in Cleveland, OH. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.3/100.
Horizon Science Academy-Denison Middle School has a Resource Investment Index of 26/100 (lower 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).
By Resource Investment Index, Horizon Science Academy-Denison Middle School ranks #22 of 47 elementary schools in Cleveland, OH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Cleveland on the city page.
Horizon Science Academy-Denison Middle School earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 85% of Ohio schools. It is also more racially and ethnically mixed than most Ohio 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.
None; Horizon Science Academy-Denison Middle School is a single-school charter district, and Horizon Science Academy-Denison Middle School is its only campus.
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.