William Floyd School District

The William Floyd Union Free School District is located in the southern area of the Town of Brookhaven on Long Island in New York. The district serves the contiguous communities of Shirley, Mastic, Mastic Beach and Moriches. The William Floyd School District is one of the largest school districts on Long Island and is named after William Floyd, one of only 56 men to sign the Declaration of Independence. The district is located on the south shore of Long Island, approximately 60 miles east of New York City, with an enrollment of 8,653 students as of 2016. William Floyd students attend five elementary schools, two middle schools, and a senior high school.

Kevin Coster is the superintendent of schools.