Established 1947
Schools
Ada: Entered 1964
Lafayette-Allen East: Entered 1947
Bluffton: Entered 1953
Bath: Entered 1964, Left 1965
Columbus Grove: Entered 1947
Crestview: Entered 1970,  Left 1981, Entered 2000
Delphos Jefferson: Entered 1947
Elida: Entered 1947, Left 1971
Forest: Entered 1947, Left 1961
Leipsic: Entered 1962, Left 1963, Entered 2021
Lima Central Catholic: Entered 2006, Left 2012
North Baltimore: Entered 1967, Left 1968
Ottawa-Glandorf: Entered 1964, Left 1966
Pandora-Gilboa: Entered 1947, Left 1965
Paulding: Entered 1967, Left 2021
Perry: Entered 1966, Left 2003
Spencerville: Entered 1947
Shawnee: Entered 1947, Left 1952
Upper Scioto Valley: Entered 1978, Left 2000