The award winning novella Every Heart a Doorway introduced us to the School for Wayward Children which only accepts children who are apparently convinced that they not only belong in another world but that they have been there and if they can only find their Door again they can go back to their true home. The parents believe the boarding school will straighten out their children while the real goal of the school is to help them cope with being stuck in our reality after going on quests, saving worlds, and even falling in love. Some went to worlds made of candy and some to solemn underworlds so only their shared loss and constant hope their Doors will return binds them together.
The Wayward Children Series - No Visitors, No Solicitation, No Quests