Public School 65K

Public School 65K is a historic school building located in Cypress Hills, Brooklyn, New York, New York. It was originally built in 1870 and significantly expanded in 1889 to designs by James W. Naughton. It is a two-story, brick building on a stone base in the Romanesque Revival style. It features a slightly projecting central tower and terra cotta decorative details.

It was listed on the National Register of Historic Places in 1981.