This one-room structure located on Rt. 9, Lisbon, Maine, at the junction of Ridge Road and Ridge Street, is the only surviving school house in its unaltered form, of its type, in the Town of Lisbon. All others have been transformed into other types of buildings, such as homes, store houses or garages. In 1873, many parents in School District No.6 withheld their students from attending what was then the Ridge School, in protests against extremely poor conditions of the…