| Name Sort descending | Information Report | Constitution/Bylaws | Annual Report | Officer and Employee Report(s) | 
|---|---|---|---|---|
| Clarkton CTA | ||||
| Clayton CTA | ||||
| Clearwater CTA | ||||
| Clever CTA | ||||
| Climax Springs R-IV CTA | ||||
| Clinton MSTA-CTA | ||||
| Clopton CTA | ||||
| Coalition of Graduate Workers NEA | ||||
| Cole Camp CTA-MSTA | ||||
| Columbia MSTA | ||||
| Columbia NEA | ||||
| Community Association of R-1 Employees | ||||
| Concordia Teacher Organization | ||||
| Conway CTA | ||||
| Couch CTA | ||||
| Craig CTA | ||||
| Crane CTA | ||||
| Crawford County RII CTA | ||||
| Crocker CTA | ||||
| Crystal City CTA | ||||
| Crystal City NEA | ||||
| CWA Local 6355 | ||||
| CWA Local 6360 | ||||
| Dadeville CTA | ||||
| Davis R12 CTA | 
