Well, it is difficult to rank the state schools in that regards due to differing preference standards in their decision criteria and the varying ratios of acceptances offered per in state applicants. Amongst the privates, I would guess that Harvard is the most difficult (not from a qualification standpoint but rather a simple odds viewpoint) because it takes in only 35 per year. Again, from a simple odds perspective, NYU likely offers the best prospect to all applicants. I might add that non of the schools are "easy to get into."