rating? sexual content/violence?

Hi, this doesn't look like a very active board but I'm hoping somebody can help me out with this question, especially someone in the US. My French teacher really wants to show this film in class but is worried about content. She's already seen it but it might be hard to show it in class without specifics. So I know it's unrated here but can anybody give me a prediction of about what rating it would get or at least let me know how much sexual content or violence it contains? Do you think it is appropriate for school? [She also told us that the French are more worried about violence in movies and not quite as much about nudity so ratings in different countries could differ.] Showing us these films is a way to expose us to the culture and hear other people speak French fluently and in context so if anyone has any other suggestions for appropriate films as well I would apprieciate it. Thanks for your help!