| Union City School District, NJ (District) |
| Union Co School Dist, MS (District) |
| Union Co/Clg Corner Joint Sch Dist, IN (District) |
| Union Comm School District, IA (District) |
| Union County, NM (ISD) |
| Union County, PA (ISD) |
| Union County, IL (ISD) |
| Union County, TN (ISD) |
| Union County, NC (ISD) |
| Union County, TN (District) |
| Union County, AR (ISD) |
| Union County, MS (ISD) |
| Union County, KY (Phantom) |
| Union County, OR (ISD) |
| Union County, IA (ISD) |
