You’ve tagged Cornell. Take a look at Cornell’s requirements for the course you’re interested in https://admissions.cornell.edu/apply/first-year-applicants/college-and-school-admissions-requirements , and see if graduating early will significantly affect those. Do the same for the other colleges you’re interested in. Bear in mind that for top tier colleges, the most competitive candidates will have 4 years in all the key areas. This may be less important for other colleges.