| Abbreviation | Definition |
|---|---|
| CRTS | Collegiate Retail Training Series |
| CRU | Certification Renewal Unit |
| CRUSE | Coalition for Reform of Undergraduate STEM Education |
| CRY | Child Relief And You |
| CRYSTAL | Campaign Representative Your Start To Accelerated Leadership |
| CS | Creative Storytelling |
| CSA | Cognitive Skills Assessment |
| CSAB | Cognitive Skills Assessment Battery |
| CSALT | C SALT Centre for Support and Advancement of Learning and |
| CSALT | Centre for Support and Advancement of Learning and Teaching |
| CSAP | Colorado State Assessment Program |
| CSAP | Colorado Student Achievement Program |
| CSAP | Colorado Student Assessment Program |
| CSC | Canadian Securities Course |
| CSC | Caring School Community |
| CSCE | Community School for Creative Education |
| CSCL | Computer Supported Collaborative Learning |
| CSDL | Center for Self Directed Learning |
| CSDS | Comprehensive Service Delivery System |
| CSE | Committee on Special Education |