The Top of Iowa - East will include Osage, Mason City Newman, West Fork, North Butler, Central Springs, Northwood-Kensett, Rockford, Nashua-Plainfield, and Saint Ansgar.
The Top of Iowa - West will include Eagle Grove, Belmond-Klemme, Garner-Hayfield-Ventura, Forest City, West Hancock, Lake Mills, North Iowa, Algona Bishop Garrigan, and North Union.
These eight were Greene, Nashua-Plainfield, North Central in Manly, Nora Springs-Rock Falls, Riceville, Rockford, Rockwell-Swaledale, and Saint Ansgar.
The following year that number dropped to eight, as two more league schools, Rockwell-Swaledale and SCMT joined to become West Fork.
Riceville Community School District voted unanimously to join the Iowa Star Conference.