French high-school student here. Am I heading in the right direction?

90% students who are rejected were good enough for MIT. That’s the way it goes. Don’t pin you hopes on MIT, and work on building a college list. Start checking the universities I listed as a strt. That’s part of the job - you’ll read about hundreds of schools and whittle it down to about 20-25 a year from now, and then you’ll prioritize from that list. Anyone can have a dream school. Finding schools that are a good fit and where you have a shot is the real work.
Talk with your parents about finances. This is crucial before moving on.
Since viebscolaire pwoplewere not helpful,check out everything on your school’s website.