Thanks for the replies! I am going to EA MIT and Caltech, and maybe UChicago, though it is increasingly likely that I will not be able to complete that by the deadline. I am not planning on only applying for CS major. In fact, most of my applications will be for an economics major. I am only going to apply for CS for those schools with especially great programs (Caltech, CMU, etc.) and comparatively weaker economics programs. My idea is to apply for MIT course 15, but I don’t know which major would be optimal for Stanford or other “all-round” powerhouse schools.