| Coesse School | Columbia City | Public school | K–5 | 0 |
| Cold Spring School | Indianapolis | Public school | K–8 | 0 |
| College Corner Union Elem School | College Corner | Public school | K–5 | 0 |
| College Park Elementary School | Indianapolis | Public school | K–5 | 0 |
| College Wood Elementary School | Carmel | Public school | PK–5 | 0 |
| Colonel John Wheeler Middle School | Crown Point | Public school | 6–8 | 0 |
| Columbia City High School | Columbia City | Public school | 9–12 | 0 |
| Columbia Elementary School | Logansport | Public school | K–4 | 0 |
| Columbia Elementary School | Rochester | Public school | PK–1 | 0 |
| Columbus Area Career Connection | Columbus | Public school | 6–12 | 0 |
| Columbus East High School | Columbus | Public school | 9–12 | 0 |
| Columbus North High School | Columbus | Public school | 9–12 | 0 |
| Columbus Signature Academy New Tech High School | Columbus | Public school | 9–12 | 0 |
| Community Montessori | New Albany | Public school | PK–12 | 0 |
| Concord Community High School | Elkhart | Public school | 9–12 | 0 |
| Concord East Side Elementary Sch | Elkhart | Public school | K–4 | 0 |
| Concord Intermediate School | Elkhart | Public school | 5–6 | 0 |
| Concord Junior High School | Elkhart | Public school | 7–8 | 0 |
| Concord Ox Bow Elementary School | Elkhart | Public school | K–4 | 0 |
| Concord South Side Elementary Sch | Elkhart | Public school | K–4 | 0 |
| Concord West Side Elem School | Elkhart | Public school | K–4 | 0 |
| Connersville Middle School | Connersville | Public school | 7–8 | 0 |
| Connersville Sr High School | Connersville | Public school | 9–12 | 0 |
| Converse Elementary School | Converse | Public school | PK–2 | 0 |
| Cooks Corners Elementary School | Valparaiso | Public school | K–5 | 0 |
| Coolspring Elementary School | Michigan City | Public school | K–6 | 0 |
| Coquillard Elementary School | South Bend | Public school | PK–4 | 0 |
| Cortland Elementary School | Seymour | Public school | K–4 | 0 |
| Corydon Central High School | Corydon | Public school | 9–12 | 0 |
| Corydon Central Jr High School | Corydon | Public school | 7–8 | 0 |
| Corydon Elementary School | Corydon | Public school | PK–3 | 0 |
| Corydon Intermediate School | Corydon | Public school | 4–6 | 0 |
| Coulston Elementary School | Shelbyville | Public school | K–5 | 0 |
| Country Meadow Elementary School | Ashley | Public school | PK–5 | 0 |
| Covington Community High School | Covington | Public school | 9–12 | 0 |
| Covington Elementary School | Fort Wayne | Public school | K–5 | 0 |
| Covington Elementary School | Covington | Public school | PK–5 | 0 |
| Covington Middle School | Covington | Public school | 6–8 | 0 |
| Cowan Elementary School | Muncie | Public school | K–6 | 0 |
| Cowan High School | Muncie | Public school | 7–12 | 0 |
| Crawford County High School | Marengo | Public school | 9–12 | 0 |
| Crawford County Middle School | Marengo | Public school | 6–8 | 0 |
| Crawford County Virtual Academy | Marengo | Public school | 6–12 | 0 |
| Crawfordsville Middle School | Crawfordsville | Public school | 6–8 | 0 |
| Crawfordsville Sr High School | Crawfordsville | Public school | 9–12 | 0 |
| Creekside Elementary School | Franklin | Public school | PK–4 | 0 |
| Creekside Middle School | Carmel | Public school | 6–8 | 0 |
| Crestdale Elementary School | Richmond | Public school | PK–4 | 0 |
| Creston Intermediate & Middle Schl | Indianapolis | Public school | 5–8 | 0 |
| Crestview Elementary School | Indianapolis | Public school | 1–6 | 0 |