Can i get into northwestern?

im a junior at a college prep school and my first two years of high school i had a 3.75 and was involved in (yearbook and several clubs) and in this first marking period of junior year i got all a's in ap and honors cles...my psat result was a 2000 out of 2400...if i continue to get all a's up until senior year...do i have a shot at northwestern?...i rlly would like to attend the medill school of journalism