Student essay written in en (native language: French, CEFR level: A2, field of study: Sports)

Dear,
Actually in my second year of superior study in sport, i want to do a gap year in a foreign country to improve my english.
Indeed, I study english since primary school but my level isn't very good, by the way I think go in another country and especially in a country where people speak english is the better thing to do to improve my english.
On my future, I think I want to be a physic preparator and to be good in this job it's important to have a good level in english because a lot of interessant studies are in english and i want to understand them to improve my knows and to be a good physic preparator.
Furthermore, I think this year can be a good opportunity to have time to think about my future and if i really want to do this job.
So I'm spending you this letter to ask you a stock exchange to succed to do this gap year.
I hope you will give me a positive response.