Southwestern Indiana Conference Former Members Former Members

| School | Location_ | Mascot | County | Year_Joined | Year_Left |
|---|---|---|---|---|---|
| Barr Township | Montgomery | Vikings | 14 Daviess | 1939 | pre-1958 |
| Ellettsville | Ellettsville | Golden Eagles | 53 Monroe | 1939 | 1964 |
| Loogootee | Loogootee | Lions | 51 Martin | 1939 | 1970 |
| Oolitic | Oolitic | Bearcats | 47 Lawrence | 1939 | 1974 |
| Plainville | Plainville | Midgets | 14 Daviess | 1939 | pre-1958 |
| Shoals * | Shoals | Jug Rox | 51 Martin | 1939 1962 | pre-1958 1979 |
| West Baden | West Baden | Sprudels | 59 Orange | 1939 | pre-1958 |
| Central (Switz City) | Switz City | Tigers | 28 Greene | pre-1958 | 1990 |
| Needmore | Needmore | Hilltoppers | 47 Lawrence | pre-1958 | 1974 |
| Odon | Odon | Bulldogs | 14 Daviess | pre-1958 | 1968 |
| Shawswick | Shawswick | Farmers | 47 Lawrence | pre-1958 | 1974 |
| Spencer | Spencer | Cops | 60 Owen | pre-1958 | 1970 |