The University of Pennsylvania (Penn or UPenn) is a private Ivy League research university in Philadelphia, Pennsylvania.

Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private Ivy League research university in New York City, founded in 1754.

Princeton University is a private Ivy League research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey.

Yale University is a private Ivy League research university in New Haven, Connecticut, founded in 1701.

Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor.