| Iredell-Statesville Schools, NC (District) |
| Irene-Wakonda School District, SD (District) |
| Irion County, TX (ISD) |
| Irion County ISD, TX (District) |
| Iron, WI (ISD) |
| Iron Co. C-4, MO (District) |
| Iron County, MO (ISD) |
| Iron County, UT (ISD) |
| Iron District, UT (District) |
| Iron Mountain Public Schools, MI (District) |
| Ironton City School District, OH (District) |
| Ironwood Area Schools of Gogebic County, MI (District) |
| Iroquois Area Reg Del System, IL (District) |
| Iroquois Central School District, NY (District) |
| Iroquois County, IL (ISD) |
