This Rebel Breed is a 1960 American melodrama film directed by Richard L. Bare and William Rowland starring Rita Moreno, Gerald Mohr, Eugenio Martin, Dyan Cannon, and Richard Rust.
The film tells the tale of two policemen who go undercover to defeat narcotics trafficking among high school gangs. The film featured stark scenes of violence between interracial gangs, seemingly in order to portray an antidiscrimination sentiment.
Source: Wikipedia