Midwest Athletic Conference (IHSAA) Former Members Former Members

| School | Location_ | Mascot | _County | Year_Joined | Year_Left | Conference_Joined |
|---|---|---|---|---|---|---|
| Brook | Brook | Aces | 56 Newton | 1955 | 1966 | none (consolidated into South Newton ) |
| Brookston | Brookston | Bombers | 91 White | 1955 | 1965 | none (consolidated into Frontier ) |
| Camden | Camden | Red Devils | 08 Carroll | 1955 | 1965 | none (consolidated into Delphi |
| Fowler | Fowler | Bulldogs | 04 Benton | 1955 | 1968 | none (consolidated into Benton Central ) |
| Kentland | Kentland | Blue Devils | 56 Newton | 1955 | 1966 | none (consolidated into South Newton ) |
| Monon | Monon | Railroaders | 91 White | 1955 | 1963 | none (consolidated into North White ) |
| Royal Center | Royal Center | Bulldogs | 09 Cass | 1955 | 1963 | none (consolidated into Pioneer ) |