Attending a college or university in France means you will have the option of learning in French or in English. Of course, if you do not understand any French, choosing to take your courses in English is something that you should plan to do. The option of learning French is certainly there, If you have become fluent enough with this language then you may wish to consider taking some of your courses in the French language. When you choose this option you are extending your learning capabilities and can take home something that you may have never expected upon arrival in the country.
Since there are so many international students attending colleges and universities in France, you can easily find courses offered in both languages. Studying in both languages can be beneficial in many aspects.
Another option that you have is to take a course in the French language. Since you are going to be in the country for quite a long period of time, while you attend university, it can be of the greatest benefit to learn the language of the country so that you can speak it well. French is a beautiful language, and it is sweet to the ears. Being able to speak and understand it adds so much significance to your life. No decision is wrong that you make as long as you are getting the education that you have come to receive.