Summary
Horizon Science Academy-Dayton is a K–5 elementary school in Dayton, Ohio, serving 182 students and operating as its own district. It is the smallest school among its neighbors, and its district ranks 721st of 773 in Ohio — the 7th percentile with 0 stars. The school's 2025–2026 rank is 1,372nd of 1,560, the 12th percentile with 1 star. Rankings sat between the 1st and 8th percentile from 2015–16 through 2022–23, rose to the 16th percentile in 2023–24 and the 28th in 2024–25, then slipped back to 12th — so 2025–26 is still the third-best year in its recent history.
In 2025–2026, students scored below the state in every tested subject and grade. Fifth grade ELA (54.5%) is the relative bright spot, above Fairview Elementary School (40.7%), Valerie Elementary School (31.3%), Klepinger Community School (51.2%), Richard Allen Preparatory (52.4%), Charity Adams Earley Girls Academy (47.8%) and Northridge Elementary School (50.6%), though below the state (70.4%) and below Northwood Elementary School (79.1%), North Dayton School of Discovery (77.3%) and Deca Prep (61.0%). Math and science are the widest gaps: 3rd grade math at 22.0% versus 62.1% statewide, and 5th grade science at 27.3% versus 62.7%. Overall, HSA ranks above Richard Allen Preparatory (10th percentile), Fairview Elementary School (4th) and Valerie Elementary School (2nd), but behind Northwood Elementary School (65th), Deca Prep (32nd), North Dayton School of Discovery (33rd), Northridge Elementary School and Klepinger Community School (19th each) and Belle Haven Elementary School (17th).
Chronic absenteeism is 41.3% in 2025–2026 — down sharply from 70.9% in 2022–2023, but still higher than every nearby school except Fairview Elementary School (44.3%) and Richard Allen Preparatory (45.1%). The student–teacher ratio of 11.3 in 2024–2025 is the lowest among the nearby schools listed, suggesting staffing numbers are not the main obstacle. Per-student spending was $8,883 in 2018–2019, mid-low locally. The school's effectiveness ranking for its African American students was 68th percentile in 2024–2025 versus 28th overall, a consistent pattern worth noting. Because the school is so small, a few students can shift results significantly from year to year.
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