L'Âge heureux (1966)

The young heroines are the "Petits Rats de l'Opéra" =pupil of the opera of Paris ballet class .One of them,Delphine,wants to be a ballerina.It's her wildest dream.But alas,in the wake of a night on the roof of the opera -a forbidden place- ,she is fired -and however she was not alone on that roof,her friends were with her!Delphine is desperate and she hides the terrible truth from her mother .What will become of her?

Unfortunately the movie L'Âge heureux is not yet available on HBO Max.