The Adolescents
Las adolescentes (original)
A shy girl named Ana is sent to an English boarding school. After a period of adjustment, she travels to London with two of her more world weary classmates and becomes the target for a trio of men who take illicit photographs of young girls to be published in 'Estimulation' Magazine.
Starring Anthony Andrews, Koo Stark, Susan Player, Victoria Vera, Eduardo Bea, Maria Perschy, Cristina Galbó, Trevor Thomas, Víctor Petit, Beatriz Galbó
Watch "The Adolescents" on FlixOlè released in 1975. It's a drama movie, and has a rating of 4.5 out of 10 from Imdb which is fairly low for this kind of movie.