Verb conjugation of "effondrer" in French

In life you have to decide what is best for you. Each time I go to a new place I ask myself whether I could live in such a place. But once I return home, I know that I made the right decision by staying in Norway.
I think that it is easy to find new students, as many of them have already visited schools in Switzerland or Germany, but most of them have been to Berlin. Spanish learning is less common these days.
Many thanks for the corrections. Exactly what I needed to be happy. I want to learn French because it's a great language and because it sound so romantic to me. There is a lot more to improve.