KSMU's Missy Shelton contributed reporting for this story.
A commencement address from President Barack Obama capped a difficult year for the Joplin High School class of 2012.
An EF-5 tornado struck the southwestern Missouri town a year ago today, killing 161 people and injuring hundreds more. The storm destroyed five school buildings, including the high school. Students attended their senior year classes in a converted big box store.