Not OP, but Harvard, Yale, and Penn are three that I can speak to with firsthand experience. I will also say that, depending on the specifics of the applicant,

Not OP, but Harvard, Yale, and Penn are three that I can speak to with firsthand experience. I will also say that, depending on the specifics of the applicant, you might be shocked by what admissions standards can be bent/broken based on the desire of a faculty member to have a specific student. It’s not common, but it happens.