ðə lˈiːɡ wʌz ɹɪˈoːɹɡənˌaɪzd ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn, wɪððə fˈaɪv kwˈɑːdsˈɪɾi ˈɛɹiə skˈuːlz lˈiːvɪŋ tə fˈɔːɹm ɐ nˈuː lˈiːɡ ðə kwˈɑːdsˈɪɾi mˈɛtɹoʊ kˈɑːnfɹəns, ɐlˈɔŋ wɪð kˈæθlɪk skˈuːlz dˈævənpˌoːɹt ɐsˈʌmpʃən ænd ɹˈɑːk ˈaɪlənd ɐlˈɛmən.
The league was reorganized in 1969, with the five Quad-City area schools leaving to form a new league (the Quad-City Metro Conference, along with Catholic schools Davenport Assumption and Rock Island Alleman).