Initially, Princeton University was a conservative institution. In the late 20th century, Princeton became more liberal, but it didn't lose some of its conservative leaning.
According to a poll conducted by Niche, around 38% of Dartmouth College's students feel that the campus is liberal and 12% of them believe that it is conservative
75% of the faculty members of Yale University identified as either liberal or very liberal. Meanwhile, only 7% of them reported having conservative leanings.