| Abbreviation | Definition |
|---|---|
| DCSS | Dougherty County School System |
| DCTS | Dauphin County Technical School |
| DCTS | Delaware County Technical Schools |
| DDES | Della Davidson Elementary School |
| DDES | Downtown Denver Expeditionary Schools |
| DDHS | David Douglas High School |
| DDHS | Delavan Darien High School |
| DDHS | Delavan-Darien School District |
| DDMS | Davis Drive Middle School |
| DDMS | Dillard Drive Middle School |
| DDPS | Disha Delphi Public School |
| DDS | Defensive Driving School |
| DDS | Douglas Daly School |
| DDSB | Durham District School Board |
| DDSD | David Douglas School District |
| DDSD | Delavan Darien School District |
| DDSD | Detroit Day School for the Deaf |
| DDSM | Darlington and District School of Motoring |
| DEAA | Durham Elementary Athletic Association |
| DECS | Delta Elementary Charter School |