Baltimore City Public School System runs Baltimore's public schools. Some of these schools are well known. Carver Vocational-Technical High School was the first vocational high school for African-Americans in Maryland. Lake Clifton Eastern High School is the biggest school campus in Baltimore City. Frederick Douglass High School is the second-oldest African-American high school in the United States. Baltimore City College is the third oldest public high school in the country. Western High School is the oldest public all-girls school in the nation. Baltimore City College and Baltimore Polytechnic Institute are football rivals. This is the second-oldest high school football rivalry in the country.