NPR – Eric Westervelt
“A growing body of research shows that play is fundamental to kids’ development by promoting social interaction, exploration and creativity. There are no recent national studies or fresh numbers on recess time, but 2005 data from the Education Department survey and a 2006 report from the Centers for Disease Control and Prevention show that about 9 in 10 elementary schools regularly schedule recess, with times ranging from 24 to 30 minutes a day.”(more)