Select School Beginning with "H"
| School | League | County |
|---|---|---|
| Hamilton | Greater Miami Conference | Butler |
| Hamilton Township | Mid-State League | Franklin |
| Hardin Northern | Blanchard Valley Conference | Hardin |
| Harrison Central | Ohio Valley Athletic Conference | Belmont |
| Harvest Preparatory | Mid-State League | Franklin |
| Harvey | Northeastern Conference | Lake |
| Hathaway Brown | Independents - Northeast Ohio | Cuyahoga |
| Hawken | Chagrin Valley Conference | Geauga |
| Health Careers Center | Cleveland Municipal SD | Cuyahoga |
| Heath | Mid-State League | Licking |
| Hicksville | Green Meadows Conference | Defiance |
| Highland | Suburban League | Medina |
| Highland | Mid-Ohio Athletic Conference | Marion |
| Hiland | Inter-Valley Conference | Holmes |
| Hilliard Bradley | Ohio Capital Conference | Franklin |
| Hilliard Darby | Ohio Capital Conference | Franklin |
| Hilliard Davidson | Ohio Capital Conference | Franklin |
| Hillsboro | South Central Ohio League | Highland |
| Hillsdale | Wayne County Athletic League | Ashland |
| Hilltop | Buckeye Border Conference | Williams |
| Holgate | Green Meadows Conference | Henry |
| Holy Name | North Coast League | Cuyahoga |
| Hoover | Federal League | Stark |
| Hopewell-Loudon Local | Midland Athletic League | Sandusky |
| Houston | Shelby County Athletic League | Shelby |
| Howland | All-American Conference | Trumbull |
| Hubbard | All-American Conference | Trumbull |
| Hudson | Northeast Ohio Conference | Summit |
| Hughes Center | Southwest Ohio Public League | Hamilton |
| Hughes STEM | Cincinnati City SD | Hamilton |
| Huntington | Scioto Valley Conference | Ross |
| Huron | Sandusky Bay Conference | Erie |