Spotswood High School is a four-year comprehensive public high school, serving students in ninth through twelfth grade in Spotswood, in Middlesex County, New Jersey, United States, operating as the lone secondary school of the Spotswood Public Schools. As of the 2013-14 school year, the school had an enrollment of 762 students and 69.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.0:1. There were 78 students (10.2% of enrollment) eligible for free lunch and 32 (4.2% of students) eligible for reduced-cost lunch.