Les J3

Les J3 (also known as The J3) is a 1946 French film directed by Roger Richebé, and adapted from the play by the same name, written by Roger Ferdinand. The film's admissions in France were 2,748,441.
Plot synopsis.
The play focuses on a group of high school students in occupied France during the Second World War. Whilst the students are initially more focused on the black market trade of cigarettes and stockings, a new philosophy teacher, the "charming and gifted educator" Mademoiselle Bravard, focuses them back onto their work at school, helping them all pass their final exams.