| Jefferson County, MT (ISD) |
| Jefferson County, NE (ISD) |
| Jefferson County Educational Service Center, OH (ISD) |
| Jefferson County Joint Vocational School District, OH (District) |
| Jefferson County Jt District, ID (District) |
| Jefferson County JVSD CTPD, OH (District) |
| Jefferson County North, KS (District) |
| Jefferson County R-1, CO (District) |
| Jefferson County Schools, WV (District) |
| Jefferson County Schools, KY (District) |
| Jefferson County Sd 509J, OR (District) |
| Jefferson County-Dubois Avts, PA (District) |
| Jefferson Davis Co School Dist, MS (District) |
| Jefferson Davis County, MS (ISD) |
| Jefferson Davis Parish, LA (District) |
