Zero for Conduct
Zéro de conduite : Jeunes diables au collège (original)
In a repressive boarding school with rigid rules of behavior, four boys decide to rebel against the director on a celebration day.
Starring Jean Dasté, Robert le Flon, Du Verron, Delphin, Léon Larive, Madame Émile, Louis de Gonzague, Raphaël Diligent, Louis Lefebvre, Gilbert Pruchon
It's a drama and comedy movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Australia.