Northern State Conference (IHSAA) Old Northern State Conference Membership Old Northern State Conference Membership

| School_IHSAA_ID_ | Location_ | Mascot | _County | Year_Joined | Year_Left | Conference_Joined |
|---|---|---|---|---|---|---|
| Delphi | Delphi | Oracles | 08 Carroll | 1954 | 1956 | Hoosier |
| Knox | Knox | Redskins | 75 Starke | 1954 | 1963 | Independents |
| Morocco | Morocco | Beavers | 56 Newton | 1954 | 1958 | Independents |
| North Judson | North Judson | Blue Jays | 75 Starke | 1954 | 1963 | Independents |
| Rensselaer Central | Rensselaer | Bombers | 37 Jasper | 1954 | 1958 | Independents |
| Bremen | Bremen | Lions | 50 Marshall | 1958 | 1962 | Independents |
| Jimtown * | Elkhart | Jimmies | 20 Elkhart | 1958 | 1963 | Independents |
| Washington- Clay | South Bend | Colonials | 71 St. Joseph | 1958 | 1963 | Independents |