East Central HS Show Choir performed at the event. East Central High School Show Choir performing at the Indiana Retired Teachers Association Fall Meeting. Photo provided. (Dearborn County, Ind.) – The Dearborn County Retired Teachers Association, an affiliate of the Indiana Retired Teachers Association, held their annual fall meeting October 15th at Greendale Middle School with a delicious turkey dinner, remarks from State Senator Randy Maxwell, a performance by the East Central High School Show Choir, and a celebration of achievements from the past year.