| Abbreviation | Definition |
|---|---|
| CSO | Community School Organization |
| CSP | Community Support Program |
| CSPAR | Class Size and Pupil Adult Ratios |
| CSPD | Comprehensive System of Personnel Development |
| CSPE | Center for Specialty Pharmacy Education |
| CSPE | Civic Social and Political Education |
| CSPE | Civic, Social and Political Education |
| CSR | Children Showing Results |
| CSR | Class Size Reduction |
| CSREES | Cooperative State Research Education and Extension Service |
| CSS | Civil Superior Service |
| CSSD | Central School of Speech and Drama |
| CSSE | Canadian Society for the Study of Education |
| CSSE | Center for Social Studies Education |
| CSSE | Critical and Sociocultural Studies in Education |
| CSSF | County School Service Fund |
| CSSI | Creation Science of Saskatchewan Inc. |
| CST | California Standards Test |
| CST | Career Skills Training |
| CST | Child Study Team |