Its not haram to stay in America.You can move to an islamic country if you are scared of being influenced in a wrong way, but you dont have to. Or you can stay here and try to find a way to benifit the ummah here. You can still go to an american university, its not haram, but you can put an islamic twist, you can do it for your religion. Maybe you can major in arabic. It would help you understand the meaning of the quran better, and you can still get a job w/ it as a translator, islamic school arabic teacher, etc. What im planning to do is take some sewing classes and sell islamic clothes to help muslim women have more choices in islamic apparel, see im tying my possible potential job w/ islam. There are many other things you can do that i cant think of at the moment, you just need to find something you can do for the sake of Allah and you will be rewarded.