Howard Walker stands beside a skeleton and a periodic table in an advanced placement chemistry class at Lawrence County High School Thursday, Jan. 30, 2014 in Moulton, Ala. The Lawrence County School ... more 
Howard Walker stands beside a skeleton and a periodic table in an advanced placement chemistry class at Lawrence County High School Thursday, Jan. 30, 2014 in Moulton, Ala. The Lawrence County School system added the advanced placement classes this year after having to drop them in 2009 due to proration. (AP Photo/The Decatur Daily, Gary Cosby Jr.) less 
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Associated Press | Photo By The Decatur Daily, Gary Cosby Jr.
Fri, Jan 31, 2014 10:09 AM EST