Circle City Conference
The Circle City Conference or CCC is a high school athletic conference in the central district of the Indiana High School Athletic Association. It began competition at the beginning of the 2016–2017 school year. The first sporting event in the conference was a boy's varsity tennis match between Brebeuf Jesuit and Guerin Catholic that took place on August 18, 2016. The Golden Eagles defeated the Braves 4–1., Greg VanSlambrook is the president of the conference. The Circle City Conference is made up of four Catholic schools and two nondenominational Christian schools in Greater Indianapolis. Combined, the six schools have accounted for 74 IHSAA state championships.Membership
State championships
The Indiana High School Athletic Association has awarded the schools the following state championships while they were members of the CCC:
| Year | School | Sport |
| 2016 | Roncalli | Football |
| 2017 | Brebeuf | Football |
