Morris Hills High School is a comprehensive regional four-year public high school located in the borough of Rockaway, in Morris County, New Jersey, United States, serving students in ninth through twelfth grades as one of the two secondary schools of the Morris Hills Regional High School District. The school is located on the former Gunther Estate and opened to students on September 9, 1953. The high school serves students from Wharton, Rockaway Borough and parts of Rockaway Township. Students come to Morris Hills from Copeland Middle School, Alfred C. MacKinnon Middle School, Thomas Jefferson Middle School, as well as local private schools.