Mid-Ohio Athletic Conference

[7] However, in June 2013, Upper Sandusky took advantage of an opening in the N10 and joined that league in all sports except football for 2014.

[11] Eventually, Marion Harding's membership was moved up to joining during the 2014-15 school year as Upper Sandusky competed in the MOAC for football only in 2014.

[12] In April 2015, Fairbanks announced that they would be leaving the MOAC to join the Ohio Heritage Conference, along with independent Madison Plains.

In November 2015, seven schools from the Blue Division (Cardington, Centerburg, East Knox, Fredericktown, Highland, Mount Gilead, and Northmor) announced that they would withdraw from the MOAC to form a new league with Danville of the MBC.

Likely due to the Blue Division's demise, Elgin and the Northwest Central Conference announced in December 2015 that the Comets would join the NWCC in 2017-18 as a full-member.

[16] In February 2016, Jonathan Alder announced they would be leaving the MOAC for the Central Buckeye Conference in 2017-18.

[18] Clear Fork is also joining at the same time as they were voted out of the Ohio Cardinal Conference following the 2017-18 school year.

[20] In February 2018, Buckeye Valley announced they would be leaving the MOAC for the Mid-State League Ohio Division.