Main Street School

Main Street School is a historic school building located at Port Washington in Nassau County, New York. It was completed in 1909 in the Georgian Revival style. It was built as a two-story, brick building with stone detailing and a cement-stucco faced raised basement level. A third story was added during a 1917 expansion. It features a steep gable roof topped by an ornamental cupola with four clock faces. The roof has five gable dormers with round-headed windows.

It was listed on the National Register of Historic Places in 1983.