Mount Olive High School is a four-year comprehensive public high school that serves students in ninth through twelfth grade from Mount Olive Township, in Morris County, New Jersey, United States, operating as the lone secondary school of the Mount Olive Township School District. The school is located in the Flanders section of the township.As of the 2014-15 school year, the school had an enrollment of 1,470 students and 110.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.3:1. There were 124 students (8.4% of enrollment) eligible for free lunch and 51 (3.5% of students) eligible for reduced-cost lunch.The original school opened in October 1972 and was operated as West Morris Mount Olive High School by the West Morris Regional High School District until the 1978-1979 school year, when Mount Olive Township voters elected to leave the regional district. West Morris Mount Olive High School Class of 1978 was the last graduating class from this facility under the regional administration. The high school building and remaining faculty became part of the Mount Olive Township Schools
