Glen Haven District No. 4 School and Public Library is a historic school and library building located at Fair Haven in Cortland County, New York. It is a one story irregularly shaped structure constructed in 1901 in the Shingle Style. It contains the classroom on the south end and the library on the north end. It features a hipped roof with boxed eave overhangs.It was listed on the National Register of Historic Places in 1997.It was designed by Rossiter & Wright and built by Andrew Lieber.
