) ▁( 1 9 5 9 - 1 9 9 3 ) ▁Mer id ian ▁Conference ▁( N or thern ▁Illinois ) ▁( ?? ?? - ??? ?) ▁Metro ▁Catholic ▁Conference ▁( 1 9 6 0 - 1 9 6 5 ) ▁Mid ▁Northern ▁( ?? ?? - 1 9 9 1 ) ▁Mid - S outh ▁Conference ▁( 1 9 8 3 - 2 0 0 8 ) ▁Mid - State ▁Conference ▁( 1 9 4 4 - 1 9 9 7 ) ▁Mid - State ▁Six ▁Conference ▁( 1 9 6 ? - 2 0 1 5 ) ▁Mid west ▁Conference ▁( 1 9 4 8 - 1 9 7 0 ) ▁Mid western ▁Conference ▁( 1 9 5 2 - 1 9 7 0 ) ▁Mississippi ▁Valley ▁Conference ▁( 1 9 5 7 - 1 9 6 8 ) ▁New ▁S alem ▁Conference ▁North ▁Central ▁Illinois ▁Conference ▁( 1 9 2 9 - 2 0 1 1 ) ▁North ▁Egypt ▁Conference ▁( 1 9 3 8 - 2 0 0 3 ) ▁North ▁Sh ore ▁Conference ▁( 1 9 0 4 - 1 9 1 4 ) ▁North ▁Six ▁Conference ▁( 1 9 3 0 s - 1 9 4 0 s ) ▁North west ▁Conference ▁( 1 9 6 3 - 1 9 7 4 ) ▁North west ▁Illinois ▁Conference ▁( N W IC ) ▁( 1 9 7 4 - 1 9 9 6 ) ▁North west ▁ 7 ▁Conference ▁( 1 9 7 2 - 1 9