| Connecticut Association of Schools | |
| Map: | Map of USA highlighting Connecticut.png |
| Msize: | 250px |
| Abbreviation: | CIAC |
| Formation: | 1921 |
| Status: | Association |
| Purpose: | Athletic/Educational |
| Headquarters: | 30 Realty Dr. Cheshire, CT 06410 |
| Region Served: | Connecticut |
| Membership: | 1,100+ schools |
| Language: | English |
| Leader Title: | Executive Director |
| Leader Name: | Glenn Lungarini [1] |
| Affiliations: | National Federation of State High School Associations |
| Num Staff: | 18 |
| Website: | casciac.org |
| Remarks: | (203) 250-1111 |
The Connecticut Association of Schools and the Connecticut Interscholastic Athletic Conference (CIAC) is the governing body for secondary school athletics and other interscholastic competition in the state of Connecticut.