The three division format, which comprises the Central, Iowa, and Metro Conferences, was reorganized like this: Representatives from the 12 schools of the Central Iowa Conference (Ames, Ankeny, Centennial, Dowling Catholic, Ft.

Dodge, Johnston, Marshalltown, Mason City, Southeast Polk, Urbandale, Valley (WDM), and Waukee) of the Central Iowa Metropolitan League met on Wednesday, February 4 in Johnston to discuss the realignment of the league moving forward.

Since that time, Indianola has announced it will depart the CIML for the Little Hawkeye Conference in the 2016-2017 school year.

A second Waukee high school, Northwest, opened in the fall of 2021 to compete in the CIML.

On March 1, 2021, nine high schools made the announcement to leave the CIML and form a new conference.