Hilton Head Preparatory School (HHP) is a private school for grades Kindergarten through 12th grade, located in Hilton Head Island, South Carolina. It belongs to the South Carolina Independent School Association. The school is accredited by the Southern Association of Colleges and Schools and the Southern Association of Independent Schools. It is the only school on Hilton Head Island to be accredited by the National Association of Independent Schools. Its enrollment for the 2006-2007 school year was 450 students.