Why is school closed today? Unplanned K-12 school closures in the United States, 2011-2013.

by Karen K Wong, Jianrong Shi, Hongjiang Gao, Yenlik A Zheteyeva, Kimberly Lane, Daphne Copeland, Jennifer Hendricks, LaFrancis McMurray, Kellye Sliger, Jeanette J Rainey, Amra Uzicanin
Published 2014-01-01