High School Scolarship?

I was wondering. If you go to regualr high school. and you get good grades (and im buliding my way up to become a famous actress , im trying to get a scolarsip for any acting school.) and cuzz im in drama club i stay in it for 4 yrs straight . and you keep a good grade in there. come graduation day, couldnt they give you a scolarship to any school you want? (and by the way im going to Booker t. washington high school) in pensacola, fl.