Southampton Intermediate School includes grades 5 through 8. Students in seventh and eighth grade may take high school-level courses in math, earth science and Spanish. The sports team is the Mariners. Annual school field trips include outings to the Parrish Art Museum, Scallop Pond, Hoyt Farm, Blydenburg Park, the Marine Science Field Study Outdoor Learning Lab with the Group for the East End. There is an active Parent-Teacher Organization. The principal is Tim Frazier.