“I actually believe that you have to let them take some risks,” says Lisa, one of the older staff members on recess duty as she watches Maya and her new friends at the top of the hill. “That’s how children learn. It’s a form of trial and error—they try one thing and if that doesn’t work they’ll try something different. It’s hard to watch sometimes, because as an adult you’re wired to intervene. But even though it looks chaotic, they do a really good job of looking out for each other.”