Colegiais e Lições do Sexo (1980)

This film exposes the dark secrets hidden within a typical school. The principal manipulates the educational environment, turning classrooms into film sets where students are forced to act in adult movies for his motel business. This disturbing scheme hides an even greater one: he sells grades and diplomas to students. The story explores exploitation, ethics, and how power can be abused, prompting us to question education and authority.