Netflix

I've seen this formula a dozen times before: dedicated teacher who cares about the students tries to do new things, inhuman bureaucrat in charge initially resists then takes credit for the results. Reprobrate young hoodlums succumb to the charms of Art and start behaving better. There are a few innovations to the standard mock-up but mostly this is a retread.

Worth a see, however, and a few sniffles await you at the end.