Greg and Roberta Lockard of Stella and Phil and Judy McDonald of Trenton announce the engagement and upcoming wedding of their children, Karissa Lockard and Austin McDonald. The bride-to-be is a 1996 graduate of Southeast Consolidated High School in Stella and a 2002 graduate of Peru State College. She is a preschool teacher at Knowledge Beginnings in Lincoln. The prospective bridegroom is a 1995 graduate of Trenton High School and a 2003 graduate of Southeast Community College. He is a sales associate in Lincoln.