L'insegnante va in collegio (internationally released as The Schoolteacher Goes to Boys' High and The School Teacher in College) is a 1977 commedia sexy all'italiana directed by Mariano Laurenti. The film is the second in the "Schoolteacher" film series.
A commander of northern Italy is embroiled in a shady deal, and is forced to flee to Apulia. There, the man falls in love with his son's beautiful teacher: Monica Sebastiani. The son, however, loves also Monica Sebastiani, and so comes into the fight with his father.