Parsippany Hills High School is a four-year comprehensive public high school in the township of Parsippany-Troy Hills, in Morris County, New Jersey, United States, serving students in ninth through twelfth grade as one of the two secondary schools of the Parsippany-Troy Hills School District. Built in 1969, the school serves students who live in the western half of Parsippany. Its companion school in the district is Parsippany High School.