Select School Beginning with "G"
| School | League | County |
|---|---|---|
| Gahanna Christian Academy | Mid-Ohio Christian Athletic League | Franklin |
| Galion | Northern Ohio League | Crawford |
| Gallia Academy | Southeastern Ohio Athletic League | Gallia |
| Garaway | Inter-Valley Conference | Tuscarawas |
| Garfield | Akron City Series | Summit |
| Garfield Heights | Northeast Ohio Conference | Cuyahoga |
| Garrett Morgan Schl Of Science | Cleveland Municipal SD | Cuyahoga |
| Geneva | Northeastern Conference | Ashtabula |
| Genoa Area | Suburban Lakes League | Ottawa |
| Georgetown | Southern Buckeye Athletic/Academic Conference | Brown |
| Gibsonburg | Suburban Lakes League | Sandusky |
| Gilead Christian | Mid-Ohio Christian Athletic League | Morrow |
| Gilmour Academy | Independents - Northeast Ohio | Cuyahoga |
| Ginn Academy | Cleveland Municipal SD | Cuyahoga |
| Girard | All-American Conference | Trumbull |
| Glen Este | Fort Ancient Valley Conference | Clermont |
| Glenoak | Federal League | Stark |
| Glenville | Cleveland Municipal Schools Senate League | Cuyahoga |
| Glenwood | Southern Ohio Conference | Scioto |
| Goshen | Southern Buckeye Athletic/Academic Conference | Clermont |
| Graham | Central Buckeye Conference | Champaign |
| Grand Valley | Chagrin Valley Conference | Ashtabula |
| Grandview Heights | Mid-State League | Franklin |
| Granville | Mid-State League | Licking |
| Granville Christian Academy | Mid-Ohio Christian Athletic League | Licking |
| Green | Suburban League | Summit |
| Green | Southern Ohio Conference | Scioto |
| Greeneview | Ohio Heritage Conference | Greene |
| Greenon | Central Buckeye Conference | Clark |
| Greenville Senior | Independents - Southwest | Darke |
| Grove City | Ohio Capital Conference | Franklin |
| Grove City Christian | Mid-Ohio Christian Athletic League | Franklin |
| Groveport Madison | Ohio Capital Conference | Franklin |