| Indian Creek Elementary School | Indianapolis | Public school | 1–6 | 0 |
| Indian Creek Elementary School | Trafalgar | Public school | PK–2 | 0 |
| Indian Creek Intermediate School | Trafalgar | Public school | 3–5 | 0 |
| Indian Creek Middle School | Trafalgar | Public school | 6–8 | 0 |
| Indian Creek Sr High School | Trafalgar | Public school | 9–12 | 0 |
| Indian Springs Middle School | Columbia City | Public school | 6–8 | 0 |
| Indian Trail Elementary School | LaPorte | Public school | PK–4 | 0 |
| Indian Village Elementary School | Fort Wayne | Public school | PK–5 | 0 |
| Indiana Academy | Cicero | Private school | 9–12 | 0 |
| Indiana Academy for Sci Math Hmn | Muncie | Public school | 10–12 | 0 |
| Indiana Agriculture and Technology | Carmel | Public school | 7–12 | 0 |
| Indiana Agriculture & Technology School - Fort Wayne | Fort Wayne | Public school | 7–9 | 0 |
| Indiana Agriculture & Technology School - USI Campus | Evansville | Public school | 7–12 | 0 |
| Indiana Christian Academy | Anderson | Private school | PK–12 | 0 |
| Indiana Connections Academy 7-12 | Indianapolis | Public school | 7–12 | 0 |
| Indiana Connections Academy K-6 | Indianapolis | Public school | K–6 | 0 |
| Indiana Digital Alternative School | Modoc | Public school | 9–12 | 0 |
| Indiana Digital Elementary | Modoc | Public school | K–6 | 0 |
| Indiana Digital JR and High School | Modoc | Public school | 7–12 | 0 |
| Indiana Digital Learning Alternative School at Beech Grove | Beech Grove | Public school | 9–12 | 0 |
| Indiana Digital Learning School at Beech Grove | Beech Grove | Public school | K–12 | 0 |
| Indiana eSchool Academy 6-12 | MIddletown | Public school | 6–12 | 0 |
| Indiana eSchool Academy K-5 | Middletown | Public school | K–5 | 0 |
| Indiana Gateway Alternative School | Clarksville | Public school | 9–12 | 0 |
| Indiana Gateway Digital Academy | Clarksville | Public school | K–12 | 0 |
| Indiana Horizon Academy | Crown Point | Private school | PK–5 | 0 |
| Indiana Microschool Collaborative | Charlottesville | Public school | K–12 | 0 |
| Indiana Montessori Academy | Carmel | Private school | PK–K | 0 |
| Indiana School For The Deaf | Indianapolis | Public school | PK–12 | 0 |
| Indianapolis Metropolitan High Sch | Indianapolis | Public school | 9–12 | 0 |
| Inspire Academy - A Sch of Inquiry | Muncie | Public school | PK–8 | 0 |
| International Leadership School | Fort Wayne | Private school | K–9 | 0 |
| International Leadership School | Fort Wayne | Private school | K–9 | 0 |
| International Montessori School | Indianapolis | Private school | PK–2 | 0 |
| International School Of Indiana | Indianapolis | Private school | PK–12 | 0 |
| Invent Learning Hub | Indianapolis | Public school | K–8 | 0 |
| Ireland Elementary School | Jasper | Public school | PK–5 | 0 |
| Irvington Community Elementary School | Indianapolis | Public school | PK–5 | 0 |
| Irvington Community Middle School | Indianapolis | Public school | 6–8 | 0 |
| Irvington Preparatory Academy | Indianapolis | Public school | 9–12 | 0 |
| Islamic Academy Of Indianapolis | Indianapolis | Private school | PK–6 | 0 |
| J E Ober Elementary School | Garrett | Public school | PK–5 | 0 |
| J Everett Light Career Center | Indianapolis | Public school | 6–12 | 0 |
| J Wilbur Haley Elementary School | Fort Wayne | Public school | PK–5 | 0 |
| Jac-Cen-Del Elementary School | Osgood | Public school | PK–6 | 0 |
| Jac-Cen-Del MS/HS | Osgood | Public school | 7–12 | 0 |
| Jackson Creek Middle School | Bloomington | Public school | 7–8 | 0 |
| Jackson Elementary School | Valparaiso | Public school | K–4 | 0 |
| Jackson Middle School | South Bend | Public school | 6–8 | 0 |
| Jackson Township Elementary School | Brazil | Public school | K–5 | 0 |