A woman makes her way into the damaged main entrance of Joplin High School in Joplin, Mo., Tuesday, May 24, 2011. At least 116 people were killed and hundreds more injured when a tornado cut a destructive path through Joplin on Sunday evening. Classes at all Joplin schools have been canceled for the rest of the schoolyear after four schools were damaged or destroyed. (AP Photo/Mark Schiefelbein)