The 2010 Black Diamond conference has 10 member schools: Carmi-White County (Carmi) Bulldogs, Chester Yellow Jackets, Christopher Ziegler-Royalton or CZR (Christopher) Bearcats, Eldorado Eagles, Elverado-Trico (Elkville) Falcons, Fairfield Mules, Hamilton County (McLeansboro) Foxes, Johnston City Indians, Sesser-Valier-Waltonville-Woodlawn or SVWW (Sesser) Red Devils, Vienna-Goreville (Vienna) Eagles. Several of the teams in this conference co-op with other schools in football programs, but not other sports. This is the first year the BDC has not had Carterville has a member school, as they moved to the SIRR-Mississippi and Chester took their place. This is a ten team closed conference where 5 wins generally assures you enough playoff points to qualify for the playoffs.