| Abbreviation | Definition |
|---|---|
| DECS | Duluth Edison Charter Schools |
| DEHS | Desert Edge High School |
| DEHS | Douglas Ewart High School |
| DEHS | Downingtown East High School |
| DEMAS | Davenriche European Martial Artes School |
| DES | Dewar Elementary School |
| DES | Dwight Englewood School |
| DESA | DeKalb Elementary School of the Arts |
| DESAP | Duke Ellington School of the Arts Project |
| DESD | Dunsmuir Elementary School District |
| DESS | Doha English Speaking School |
| DESS | Dubai English Speaking School |
| DFC | Dennis Franklin Cromarty |
| DFES | Dianne Feinstein Elementary School |
| DFHS | Dobbs Ferry High School |
| DFHS | Dutch Fork High School |
| DFMS | Dobbs Ferry Middle School |
| DFMS | Dutch Fork Middle School |
| DFSA | Dover Family School Alliance |
| DFSE | Dearborn Federation of School Employees |