| Iroquois West CUSD 10, IL (District) |
| Irvine Unified, CA (District) |
| Irving ISD, TX (District) |
| IRVINGTON BOARD OF EDUCATION, NJ (District) |
| Irvington CCSD 11, IL (District) |
| Irvington Community School, IN (District) |
| Irvington Union Free School District, NY (District) |
| Irwin County, GA (ISD) |
| Irwin County, GA (District) |
| Isaac Elementary District, AZ (District) |
| Isabel School District, SD (District) |
| Isanti County, MN (ISD) |
| Ishpeming Public Schools, MI (District) |
| Island City Academy, MI (PSA) |
| Island County, WA (ISD) |
