| Abbreviation | Definition |
|---|---|
| CST | Curriculum and Standards Toolkit |
| CSTA | California Science Teachers Association |
| CSTA | Connecticut Science Teachers Association |
| CSTD | Commonwealth Society of Teachers of Dancing |
| CSTEP | California Statewide Training Education Program |
| CSTF | Computer Supported Teaching Facility |
| CSTL | Care and Support for Teaching and Learning |
| CSTL | Center for Scholarship in Teaching and Learning |
| CSTN | Charter Substitute Teacher Network |
| CSUL | Computer Supported Ubiquitous Learning |
| CSUSM | California State University, San Marcos |
| CSWE | Council on Social Work Education |
| CSWE | Council Social work education |
| CT | Certification and Transparency |
| CT | Civics Tutorial |
| CT | Collective Toddlers |
| CT | Counselor Training |
| CT | Critical Thinking |
| CTA | California Teachers Association |
| CTA | Classroom Teachers Association |