| Hydro-Eakly, OK (District) |
| Hysham K-12 Schools, MT (District) |
| I-Lead Charter School, PA (District) |
| Iberia Parish, LA (District) |
| Iberia Parish, LA (ISD) |
| Iberia R-V, MO (District) |
| Iberville Parish, LA (ISD) |
| Iberville Parish, LA (District) |
| ICademy Global, MI (PSA) |
| Icahn Charter School 1, NY (PSA) |
| Icahn Charter School 2, NY (PSA) |
| ICAHN CHARTER SCHOOL 3, NY (PSA) |
| Icahn Charter School 4, NY (PSA) |
| Icahn Charter School 5, NY (PSA) |
| Icahn Charter School 6, NY (PSA) |
