ɪnðə spɹˈɪŋ ʌv tˈuː θˈaʊzənd twˈɛnti wˈʌn, wˈɔːɾɚlˌuː ˈiːsts ɹᵻkwˈɛst tə dᵻpˈɑːɹt ðə kˈɑːnfɹəns ˈæftɚ ðə tˈuː θˈaʊzənd twˈɛnti wˈʌn dˈæʃ tˈuː θˈaʊzənd twˈɛnti tˈuː skˈuːl jˈɪɹ wʌz ɐpɹˈuːvd baɪ ðə wˈɔːɾɚlˌuː skˈuːl dˈɪstɹɪkt, tə dʒˈɔɪn ðə nˈuː ˈaɪəwə ɐlˈaɪəns kˈɑːnfɹəns ðæt ˈɔːlsoʊ ɪŋklˈuːdz tˈɛn fˈɔːɹmɚ sˈɛntɹəl ˈaɪəwə mˈɛtɹoʊ lˈiːɡ skˈuːlz.
In the spring of 2021, Waterloo East's request to depart the conference after the 2021-2022 school year was approved by the Waterloo School District, to join the new Iowa Alliance Conference that also includes 10 former Central Iowa Metro League schools.