 The gable has a half-round light at its center, and is surmounted by an open square belfry capped by a pyramidal roof and finial.The main portion of the school was built in 1890, due to residential growth in the surrounding Piscataquog Village neighborhood, with the expansion wing added in 1914-15.It was designed by Frederick Stickney of Lowell, Massachusetts, whose work made provision for its eventual expansion.