Sioux Interstate Conference

Former Members
Bishop Heelan Catholic1972-73 thru 1996-97
O'Gorman Catholic (SD), 1972-73 thru 1996-97
Sioux City East1972-73 thru 1996-97
Sioux City North1972-73 thru 1996-97
Sioux City West1972-73 thru 1996-97
Sioux Falls Lincoln (SD)1972-73 thru 1996-97
Sioux Falls Roosevelt (SD), 1984-85 thru 1996-97
Sioux Falls Washington (SD), 1972-73 thru 1996-97

Membership Timeline
1997-98: Sioux Falls Washington (SD), Sioux Falls Lincoln (SD), Sioux Falls Roosevelt (SD), and O'Gorman Catholic (SD) leave to help found the Greater Dakota Conferece. Sioux City EastSioux City WestSioux City North, and Bishop Heelan Catholic become independents. The conference disbands.
1984-85: Sioux Falls Roosevelt (SD) joins. Membership increases to 8.
1972-73: Sioux City EastSioux City WestSioux City NorthBishop Heelan Catholic, Sioux Falls Washington (SD), Sioux Falls Lincoln (SD)and O'Gorman Catholic (SD) form the Sioux Interstate Conference. Original membership is 7.