| Delphos City School District, OH (District) |
| Delran Township School District, NJ (District) |
| DELSEA REGIONAL HIGH SCHOOL DISTRICT, NJ (District) |
| Delta 50J, CO (District) |
| Delta C-7, MO (District) |
| Delta County, CO (ISD) |
| Delta County, TX (ISD) |
| Delta County 50(J), CO (District) |
| Delta R-V, MO (District) |
| Delta-Schoolcraft ISD, MI (ISD) |
| Delta/Greely School District, AK (District) |
| Delton Kellogg Schools, MI (District) |
| Delwood Comm School District, IA (District) |
| Demarest School District, NJ (District) |
| Deming Cesar Chavez Charter School, NM (PSA) |
