School List [G-I]
- Garrett High School - Garrett, IN
- Gary Lighthouse Charter School - Gary, IN
- Gary Middle College - Indianapolis, IN
- Gateway Woods School - Leo, IN
- George Rogers Clark Middle-High School - Whiting, IN
- George Washington Community High School - Indianapolis, IN
- Gibson Southern High School - Fort Branch, IN
- Goshen High School - Goshen, IN
- Granger Christian School - Granger, IN
- Greencastle Senior High Sch - Greencastle, IN
- Greenfield-Central High School - Greenfield, IN
- Greensburg Community High School - Greensburg, IN
- Greenwood Christian Academy - Greenwood, IN
- Greenwood Community High School - Greenwood, IN
- Griffith Senior High School - Griffith, IN
- Guerin Catholic High School - Noblesville, IN
- Hagerstown Jr-Sr High School - Hagerstown, IN
- Hamilton Community High Sch - Hamilton, IN
- Hamilton Heights High School - Arcadia, IN
- Hamilton Southeastern High School - Fishers, IN
- Hammond Academy of Science & Technology - Hammond, IN
- Hammond High School - Hammond, IN
- Hanover Central High School - Cedar Lake, IN
- Hauser Jr-Sr High School - Hope, IN
- Hebron High School - Hebron, IN
- Henryville Jr & Sr High School - Henryville, IN
- Heritage Christian School - Indianapolis, IN
- Heritage Hall Christian School - Muncie, IN
- Heritage Hills High School - Lincoln City, IN
- Heritage Jr/Sr High School - Monroeville, IN
- Herron High School - Indianapolis, IN
- Highland High School - Highland, IN
- Hobart High School - Hobart, IN
- Holy Cross School - Terre Haute, IN
- Homestead Senior High School - Fort Wayne, IN
- Hoosier Academy - Indianapolis - Indianapolis, IN
- Hoosier Academy Virtual Charter School - Indianapolis, IN
- Hope Academy - Indianapolis, IN
- Horizon Christian Academy - Fort Wayne, IN
- Horizon Christian School - Indianapolis, IN
- Howe School - Howe, IN
- Huntington North High School - Huntington, IN
- IN Academy for Science Math & Humanities - Muncie, IN
- Indian Creek Sr High School - Trafalgar, IN
- Indiana Academy - Cicero, IN
- Indiana Christian Academy - Anderson, IN
- Indiana Connections Academy - Indianapolis, IN
- Indiana Cyber Charter School - Avon, IN
- Indiana Math & Science Academy - Indianapolis, IN
- Indiana School For The Blind - Indianapolis, IN
- Indiana School For The Deaf - Indianapolis, IN
- Indiana Virtual School - Indianapolis, IN
- Indianapolis Lighthouse Charter School - Indianapolis, IN
- Indianapolis Metropolitan High School - Indianapolis, IN
- International Sch of IN HS (9-12) - Indianapolis, IN
- Irvington Community School - Indianapolis, IN