HELP! everyone can help me!?

Hi! I'm salvadorean and this is my last year of high school in el salvador...I really really want to study in U.S. and i wan to study medicine but I don't know how to start! I need someone or some organization or whoever to ask for help! I need to get a scholarsh�p please, and I want to apply in a university please!!! help me!!!!!!! God Bless you all! In God I trust!