SM As a trainee,After practice you go home,in korea,i'm not sure if they provide a dorm if from USA(to korea)?

If your in korea, you go to school then go to SM Building to train, then go home, but if your gonna fly to korea,(from USA) when your made auditions, i'm not sure if they provide a dorms, ( i know they do after debut), people say they do, but they are from unsure sources, does anyone know for sure? like someone related to someone as an SM trainee? thanks.