Drug-Testing Reduces Students’ Drug Use, Study Says

Students involved in extracurricular activities and subject to in-school random drug testing reported less substance use than their peers in high schools that didn’t have drug-testing programs, according a federal evaluation of 4,700 students spread across seven states.

http://www.edweek.org/ew/articles/2010/07/13/37drugs.h29.html?tkn=PQQF2R27kwGoTwz/fz7CgSmXgKQeADP/yLbw&print=1