Seniors in Roane County are preparing to walk down the aisle for graduation. Roane County High School will hold their ceremony Friday at 8 PM. Three high schools will hold graduation ceremonies on Saturday. Harriman High will graduate at 10 AM with Midway High holding their ceremonies afterward at 11:30 AM. Rockwood High School will hold their ceremonies at 7 PM Saturday night. Oliver Springs will hold their graduation on Tuesday, May 23 at 7:30 PM. All times are EST.