Highland Park High School (HPHS) is a four-year comprehensive public high school that serves students in ninth through twelfth grades from the borough of Highland Park, in Middlesex County, New Jersey, United States, as the lone secondary school of the Highland Park Public Schools system. The school was established in 1926 as a junior high school, serving up to grade 10. Until HPHS became a senior high school in 1937, students from Highland Park finished their education at either New Brunswick High School or Metuchen High School.