The school district serves the Village of Lynbrook, as well as parts of neighboring Hewlett, Hewlett Harbor, East Rockaway, as well as small portions of Malverne and Valley Stream.

[4] Lynbrook Senior High School offers a wide range of academics, and class sizes are typically small, with an average of 250 to 300 students per grade.

[citation needed] The school produces many All-County athletes and musicians, has won many county and state team sport championships, and has an award-winning high school newspaper, Horizon.

[5] The first school serving the area was built on the present site of the East Rockaway Town Hall.

The Union Free School District was established in 1892 and construction was begun near the site now occupied by the Administrative Offices.