WBEZ brings you unbiased news and information. Sign up for our newsletters to stay up to date on the stories that matter.Research shows that imaginative social play and getting outside are key components to a good learning environment for preschoolers. At Chicago’s only “forest playschool,” nature is literally the classroom. Kids spend the entire day outside in the woods and a prairie, and the focus is on collaboration, not competition. We talk with Teresa Weed, the director of the program at the North Park Village Nature Center.