FILE - In this March 13, 2014 file photo, Hartselle High School students Lissa Blagburn and Brantlee Wright use an iPhone as they work on a networked lesson in Spanish class in Hartselle, Ala. Cellphones are still absent from most U.S. schools but new data shows them steadily gaining acceptance as administrators bow to parents' wishes to keep tabs on their kids and teachers find ways to work them into lessons. (Gary Cosby Jr./The Decatur Daily via AP, File)
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