| Ukiah Sd 80R, OR (District) |
| Ukiah Unified, CA (District) |
| Ulen-Hitterdal Public School Dist, MN (District) |
| Ulm Elem, MT (District) |
| Ulster Boces, NY (ISD) |
| Ulster County, NY (ISD) |
| Ulysses, KS (District) |
| Umatilla County, OR (ISD) |
| Umatilla Sd 6R, OR (District) |
| Ume Preparatory Academy, TX (PSA) |
| Umo N Ho N Nation Public Schs, NE (District) |
| Unadilla Valley Central School District, NY (District) |
| Unalaska City School District, AK (District) |
| Uncompahgre Bocs, CO (District) |
| Uncompahgre Bocs, CO (District) |
