Enrollment
300
Ohio · 2024-25 NCES data
Other / mixed grade configuration · Dayton, OH
Horizon Science Academy Dayton High School
Federal NCES profile for Horizon Science Academy Dayton High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataOther / mixed grade configurationNCES 390136605556Charter school
👥 S:T ratio 40
🌟 Gifted program 30
🎓 Counselors 40
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horizon Science Academy Dayton High School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 72% of Ohio schools.
- #26 of 28
- schools in Dayton · Resource Index
- 28
- Resource Index · Lower
- 15:1
- small classes for Ohio
- 300
- students enrolled
Horizon Science Academy Dayton High School has class sizes smaller than 72% of Ohio schools. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, Horizon Science Academy Dayton High School ranks #26 of 28 schools in Dayton, OH.
School address
District: Horizon Science Academy Dayton High School · Ohio
NCES ID 390136605556 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
15:1
vs 18.2:1 Ohio avg
-18% vs state
Student-teacher ratio in context
How Horizon Science Academy Dayton High School compares with Ohio and U.S. medians
What stands out at Horizon Science Academy Dayton High School
Horizon Science Academy Dayton High School is a mid-sized charter combined-grade school in Dayton, Ohio, enrolling 300 students.
Class sizes run a bit leaner than typical: 15:1 puts it in the smaller third of Ohio schools by student-teacher ratio.
Enrollment of 300 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 predominantly African American (93% of enrollment) (diversity index 13/100).
Counselor coverage runs a bit thin, about 300 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 79.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 30.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 24 expulsions at this campus for 2021-22.
Among Dayton's public schools, it stands alongside Belmont High School (1,153 students): Horizon Science Academy Dayton High School is smaller than that campus by headcount and runs leaner classes (15:1 vs 19.2:1).
Horizon Science Academy Dayton High School is a single-school charter district, so Horizon Science Academy Dayton High 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
How Horizon Science Academy Dayton High School compares
Horizon Science Academy Dayton High 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 | 15:1 | ▼ 18% | 18.2:1 | 15.7:1 |
| Enrollment | 300 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
300
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
15:1
students per teacher
- 18% below state mean
Top 28% in Ohio - lower ratio than 72% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
79.0%
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
$13,709
per pupil, district-wide
- below Ohio avg of $14,655
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 300 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 35 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 14.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 24 expulsions.
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
African American 93.3%
White 2.3%
Two or More 2.3%
Hispanic or Latino 1.7%
Native Hawaiian / Pacific Islander 0.3%
Largest group: African American at 93.3% of enrollment.
Student-body diversity index 12.8/100
Simpson diversity index - at 12.8, Horizon Science Academy Dayton High School is less mixed than the Ohio school average of 35.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Horizon Science Academy Dayton High School, which includes Horizon Science Academy Dayton High School.
$13,709
Per student
-6%
vs Ohio
Avg $14,655
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 0.3%
State 68.8%
Federal 30.9%
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.
Similar other schools in Dayton
6 comparable other schools (grades Mixed) serving the same city.
Belmont High School
Standard public school
1,153 students 19.2:1 students per teacher
Stivers School for the Arts
Standard public school
837 students 16.7:1 students per teacher
Northridge Elementary School
Standard public school
796 students 19:1 students per teacher
Valerie Elementary School
Standard public school
566 students 14.2:1 students per teacher
Ruskin Elementary School
Standard public school
553 students 17.8:1 students per teacher
River's Edge Montessori Elementary School
Standard public school
552 students 19.7:1 students per teacher
Similar other schools statewide
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.
Similar enrollment (~300 students)
Similar student-teacher ratio (~15:1)
Next steps
Verify locally before acting on Horizon Science Academy Dayton High School's federal record.
- Compare Horizon Science Academy Dayton High School against another school. Compare schools
- Horizon Science Academy Dayton High School'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 Horizon Science Academy Dayton High School
How many students attend Horizon Science Academy Dayton High School?
Horizon Science Academy Dayton High School has 300 students enrolled. It is a public school in Dayton, OH.
What is the student-teacher ratio at Horizon Science Academy Dayton High School?
The student-teacher ratio at Horizon Science Academy Dayton High School is 15:1, which is 18% lower than the Ohio average of 18.2:1 and 4% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Horizon Science Academy Dayton High School?
The largest demographic group at Horizon Science Academy Dayton High School is African American at 93.3% of enrollment, in Dayton, OH.
What is the Resource Investment Index for Horizon Science Academy Dayton High School?
Horizon Science Academy Dayton High School has a Resource Investment Index of 28/100 (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 Horizon Science Academy Dayton High School rank among schools in Dayton?
By Resource Investment Index, Horizon Science Academy Dayton High School ranks #26 of 28 schools in Dayton, OH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Dayton on the city page.
Is Horizon Science Academy Dayton High School a good school?
Horizon Science Academy Dayton High School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 72% of 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.
What other schools are in Horizon Science Academy Dayton High School?
None; Horizon Science Academy Dayton High School is a single-school charter district, and Horizon Science Academy Dayton High School is its only campus.
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.