Second, the normal universities in Paris aim at training high school teachers and have high requirements for French. If you want to take the exam, you'd better go to France to study in middle school. To tell the truth, there is little hope of going to middle school.
Third, Paris Normal University accepts both arts and sciences, and is best at mathematics.
Fourthly, it is not impossible for China to go to Paris Normal University, which enrolls international students. Requirements are sophomores, juniors and seniors (mathematics majors can only be sophomores and juniors), and the age is no more than 23 years old. What domestic conditions do you need for this? You need to be in Peking University, Tsinghua, China University of Science and Technology, or at least the top three majors in Beijing Normal University to discuss. Of course, the terms are also very good. It's basically covered Majors include mathematics, physics, chemistry, computer and so on.
Fifth, it is much less difficult to go to Paris Normal University for graduate study. Domestic key universities have excellent grades, preferably good French and English, and they can apply for Paris Normal University, and even have great hopes.
Sixth, what you need now is to study hard, and you'd better learn French if you have spare time. To enter the university, you must enter the 985 university in China. Four years' hard work and excellent results make it possible for a normal university in Paris. Other world famous schools are also good. It won't be that hard. As for which department to choose, it depends on your hobbies before you go to college. Don't panic now, take your time.