It serves the hamlets of Ridge, Gordon Heights, Middle Island, Coram, and Yaphank, and parts of Rocky Point, Shoreham, Shirley, Miller Place, Medford, and Upton (Brookhaven National Laboratory).

[1] It was originally called the "Middle Island Central School District" before the Longwood name was adopted in the 1980s.

Both sets of grades then attended classes on the third day and would continue to follow normal schedules from that point on.

Longwood schools feature football, cheerleading, track, baseball, wrestling, basketball, volleyball, softball, soccer, tennis, lacrosse, cross country and many other athletic opportunities.

The most recent notable athletic achievement for the Longwood school district is the National Championship Cheerleading team of 2009-10.

They went on to win Suffolk Division I as undefeated 8-0 champions before losing to Patchogue-Medford High School in the second round of the playoffs with a 9-1 record.