| Abbreviation | Definition |
|---|---|
| CSW | Cambridge School of Weston |
| CSW | Charter School of Wilmington |
| CSWC | Czech School West Coast |
| CSWO | CHIEF Schools Welfare Officer |
| CSY | Christian School of York |
| CTAA | Cass Tech Alumni Association (Cass Technical High School; Detroit, MI) |
| CTAPS | Cheltenham and Tewkesbury Alternative Provision School |
| CTC | Chesterfield Technical Center |
| CTDS | County Type District and School |
| CTEC | Career Technical Education Center |
| CTEC | Course and Teacher Evaluation Council |
| CTES | Cavendish Town Elementary School |
| CTHS | Cherokee Trail High School |
| CTHS | Cherrybrook Technology High School |
| CTHS | Chisholm Trail High School |
| CTMS | Central Tree Middle School |
| CTMS | Charles Town Middle School |
| CTMS | Chisholm Trail Middle School |
| CTMS | Clinton Township Middle School |
| CTMS | Cross Timbers Middle School |