9 - 1 9 8 5 ) ▁Steph enson ▁County ▁Conference ▁( 1 9 5 8 - 1 9 6 3 ) ▁( R en amed ▁" N orth west ▁Illinois ▁Conference ") ▁Sub urban ▁Catholic ▁Conference ▁( 1 9 6 0 - 1 9 7 3 ) ▁Sub urban ▁Catholic ▁Conference ▁( 2 0 0 9 - 2 0 1 5 ) ▁Sub urban ▁League ▁( 1 9 1 3 – 1 9 7 5 ) ▁Sub urban ▁Pra irie ▁Conference ▁( 1 9 9 5 - 2 0 0 5 ) ▁SW AN I ▁Conference ▁( 1 9 4 6 - 1 9 5 3 ) ▁T oll way ▁Athlet ic ▁Conference ▁Tra il bla zer ▁Conference ▁( 1 9 8 2 - 1 9 8 4 ) ▁Tri ▁State ▁Conference ▁( 1 9 3 2 - 1 9 3 5 ) ▁Two ▁R ivers ▁Conference ▁( 1 9 ?? - 1 9 5 8 ) ▁United ▁Conference ▁( 1 9 5 8 - 1 9 6 3 ) ▁Up state ▁Ill ini ▁Conference ▁( 1 9 7 4 - 1 9 7 6 ) ▁Up state ▁Ill ini ▁Conference ▁( 1 9 9 1 - 2 0 0 0 ) ▁US ▁Grant ▁Conference ▁( 1 9 5 0 - 1 9 5 8 ) ▁Verm il ion ▁Valley ▁Conference ▁( 1 9 5 0 - 1 9 8 1 ) ▁ ▁W ause ca ▁Conference ▁( 1 9 2 8 - 1 9 8 9 ) ▁West ▁Pra irie ▁Tra