Are you studying HS in NY? Cornell’s contract schools give “some” preference to applicants from NY. IF you are away from STEM, and with your EC in Chess/ 9/11 intern - have you looked at the College of Industrial/Labor Relationship in Cornell? GPA is not end all and be all, the trend, the level of classes matter. IF you are going for non-STEM, make sure you have the highest, strongest grades in those subjects. Take more AP History, AP Econ, AP Psych stuff. Your PSAT Math is pretty good, actually, if your PSAT is at 1380 and Math in the 700s, you are likely to have more troubles with the English portion of the SAT. Either way, just don’t have your sights all in the Ivies, if you are in NY and want to stay in-state - NYU, Vassar, Colgate could be other options. JMHO.