Lake Athletic Conference Membership Membership

| School | Location_ | Mascot | County | Year_Joined | Previous_Conference | Year_Left | Conference_Joined |
|---|---|---|---|---|---|---|---|
| Whiting | Whiting | Oilers | 45 Lake | 1969 | Northwestern | 2007 | Greater South Shore |
| Hammond Bishop Noll | Hammond | Warriors | 45 Lake | 1973 | Independents | 2007 | Greater South Shore |
| East Chicago Central | East Chicago | Cardinals | 45 Lake | 1986 | none (new school) | 1987 | Independents |
| Calumet | Calumet Township | Warriors | 45 Lake | 1993 | Lake Suburban | 2007 | Greater South Shore |
| Griffith | Griffith | Panthers | 45 Lake | 1993 | Lake Suburban | 2007 | Northwest Crossroads |
| Highland | Highland | Trojans | 45 Lake | 1993 | Lake Suburban | 2007 | Northwest Crossroads |
| Munster | Munster | Mustangs | 45 Lake | 1993 | Lake Suburban | 2007 | Northwest Crossroads |
| Andrean | Merrillville | Fighting `59ers | 45 Lake | 1998 | Independents | 2007 | Northwest Crossroads |
| Lake Station Edison | Lake Station | Fighting Eagles | 45 Lake | 1998 | Northwest Hoosier | 2007 | Greater South Shore |