| Delaware County, PA (ISD) |
| Delaware County, OK (ISD) |
| Delaware County, NY (ISD) |
| Delaware County, IA (ISD) |
| Delaware County JVSD CTPD, OH (District) |
| Delaware County Technical High School, PA (District) |
| Delaware Department of Education, DE (State) |
| Delaware Military Academy, DE (PSA) |
| Delaware Township School, NJ (District) |
| Delaware Valley Chs, PA (District) |
| DELAWARE VALLEY REGIONAL HIGH SCHOOL DISTRICT, NJ (District) |
| Delaware Valley SD, PA (District) |
| Delhi Charter School, LA (District) |
| Delhi Unified, CA (District) |
| Delight School District, AR () |
