The "sage on a stage" is looking increasingly like a potted plant. While there will always be a role for a great teacher who can command a room, colleges and universities today are putting greater emphasis on student collaboration, small work groups, and interactive learning. Unfortunately, the classrooms of yesterday, with their focus on a single instructor at the front of the room, cannot deliver on the vision of tomorrow. This article profiles four schools that are using technology, new design concepts, and flexible classroom furniture to reinvent their teaching spaces. (Contains 1 online resource.)