The Silent Revolution
Das schweigende Klassenzimmer (original)
Starring Leonard Scheicher, Tom Gramenz, Lena Klenke, Isaiah Michaelski, Jonas Dassler, Nora Labisch, Nele Labisch, Ronald Zehrfeld, Carina Wiese, Florian Lukas
It's a drama and history movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.