founded in 2009, greene hill school is an independent lower and middle school serving the need of the fort greene/clinton hill and surrounding brooklyn communities for affordable and progressive education. at greene hill school… 1) children are actively engaged in their world through critical thinking and open-ended investigations, 2) talented teachers provide honed expertise and consistent, thoughtful guidance, 3) parents are important contributors to the school environment, and 4) the local community is a learning laboratory and a natural extension of the ghs classroom.