Student Gerber
Der Schüler Gerber (original)
Kurt Gerber is attending his final class and gets into trouble with the math professor, a frustrated self-assured petty bourgeois sadist. The duel ends in catastrophe.
Starring Gabriel Barylli, Werner Kreindl, Romuald Pekny, Paola Loew, Doris Mayer, Eduard Linkers, Oskar Willner, Helmut Janatsch, Michael Toost, Rudolf Wessely
It's a drama movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.