| Abbreviation | Definition |
|---|---|
| DCOL | District's Choice Online Learning |
| DCOS | Differentiated Classroom Observation Scale |
| DCP | Downtown College Prep |
| DCS | Developing Competent Students |
| DCT | Diversified Cooperative Training |
| DCTA | Denver Classroom Teachers Association |
| DCTT | Diploma in Computer Teachers Training |
| DCTT | Diploma in Computers Teachers Training |
| DCYL | Developing Capable Youth Leaders |
| DCYS | Department of Children and Youth Services |
| DD | Council Governor's Council on Developmental Disabilities |
| DD | Developmental Disability |
| DD | Developmentally Disabled |
| DDA | Discuss, Do, and Achieve |
| DDBE | Derby Diocesan Board of Education |
| DDE | Department of Distance Education |
| DDE | Diploma in Distance Education |
| DDE | Directorate of Distance Education |
| DDEF | Dayton Defense Educational Foundation |
| DDEO | DEO District Education Officer |