The Baltimore City College football team, known as the "Black Knights", or formerly "Castlemen", and "Alamedans", has represented Baltimore City College, popularly referred to as "City", the flagship public college preparatory school in Baltimore, Maryland, United States, for nearly 150 years in the sport of gridiron football. Until 1953, the school's athletic teams were primarily referred to as the "Collegians", a moniker that is still used alternatively today. The team is the oldest high school football program in Maryland and is among the oldest high school football programs in the United States. The program was among the nation's best in the 1950s, 1960s, 1970s, 1980s, and 1990s, finishing ranked in national high school football polls on multiple occasions.

The Baltimore Polytechnic Institute, colloquially referred to as BPI, Poly, and The Institute, is a U.S. public high school founded in 1883. Established as an all-male manual trade / vocational school by the Baltimore City Council and the Baltimore City Public Schools, it is now a coeducational academic institution that emphasizes sciences, technology, engineering, and mathematics (STEM). It is located on a 53-acre (21 ha) tract of land in North Baltimore on the east bank of the Jones Falls stream. BPI and the adjacent Western High School are located on the same campus.