Morris High School may refer to several high schools in the United States:
Mark Morris High School, Longview, Washington Morris Area High School, Morris, Minnesota Morris Catholic High School, Denville, New Jersey Morris Central School, Morris, New York Morris High School (Illinois), Morris, Illinois Morris High School (Oklahoma), Morris, Oklahoma Morris High School (Bronx), Bronx, New York Morris High School (Morris, Minnesota), listed on the NRHP in Minnesota Morris Hills High School, Rockaway, New Jersey Morris Knolls High School, Rockaway, New Jersey Mount Morris Junior/Senior High School, Mount Morris, New York West Morris Central High School, Chester, New Jersey West Morris Mendham High School, Mendham Borough, New Jersey
See also Morris High School Historic District, Bronx, New York