| Abbreviation | Definition |
|---|---|
| CMLTD | Communication Media and Learning Technologies Design |
| CMP | Can't Make Progress |
| CMP | Chicago Math Program |
| CMP | Connected Math Program |
| CMP | Connected Math Project |
| CMRE | Centre for Market Reform of Education |
| CMSE | Center for Math and Science Education |
| CMSER | Center for Mathematics and Science Education Research |
| CMSF | Cutchi Memon Students Federation |
| CMST | Cougar Mathematics and Science Teacher |
| CMT | Connecticut Mastery Test |
| CMTA | Carrollton Music Teachers Association |
| CMTB | Classroom Management and Teacher Behavior |
| CMTE | Center for Montessori Teacher Education |
| CMTEI | Canadian Montessori Teacher Education Institute |
| CMV | Commercial Motor Vehicle |
| CMVSS | Canadian Motor Vehicle Safety Standards |
| CNA | Child Nutrition Act |
| CNA | Comprehensive Needs Assessment |
| CNB | Child No Bed |