Three Village Central School District is a school district located in the towns of Brookhaven and Smithtown on the in Suffolk County, New York on the North Shore of Long Island. As of 2020, it serves all of Setauket, Old Field, and Poquott, the vast majority of East Setauket and Stony Brook, parts of Head of the Harbor, Centereach, Port Jefferson Station, Lake Grove, and Port Jefferson, and encompasses the Stony Brook University campus. The school district is renowned for its InSTAR program, a t…