In this Sept. 23, 2013, Audrey Crabtree, 99, left, smiles as Sarah Dierks pins a 1972 East High homecoming pin onto her jacket during an during an
In this Sept. 23, 2013, Audrey Crabtree, 99, left, smiles as Sarah Dierks pins a 1972 East High homecoming pin onto her jacket during an during an education board meeting in Waterloo, Iowa, where she received an honorary diploma. Crabtree dropped out of a Waterloo high school in 1932 due to an injury and to care for her grandmother. She went on to run her own business for nearly three decades. (Tiffany Rushing/AP)