movie: ruby bridges

We are watching a movie about people that were discriminated because they were color skin and the girl go to a white skin school and all the fathers and childrens discriminate them sow they go to a black skin school but his mom said that she want more for his child , always it wasn't permit that the color skin people enter to a snack bar but now we are the same with the law but in this movie all de white skin persons want to kill her but finally she got friend of some not color skin people .