Southwestern Indiana Conference Former Members Former Members

| School | Location_ | Mascot | County | Year_Joined | Year_Left |
|---|---|---|---|---|---|
| Worthington | Worthington | Ramblers | 28 Greene | pre-1958 | 1990 |
| Edgewood | Ellettsville | Mustangs | 53 Monroe | 1964 | 1970 |
| L & M | Marco | Braves | 28 Greene | 1968 | 1990 |