I know 2 people in Harvard. One got in from Touro and one got in with a BTL (Yeshiva Degree).
The guy with the BTL gave a course on how simple it is. I don’t know all the details but one major point is that b/c of ethnic/racial laws, Harvard needs to be X% White, X% Black, X% Oriental, X% European, etc…….
A lot of Jews fall under the later category and therefore Harvard has no choice but to except them under penalty of discrimination.