Which University is a private Ivy League university, University of Delaware or Columbia University?
University of Delaware:  It is considered a large institution with approximately 18,500 undergraduate and 4,500 graduate students. UD is a privately governed university which receives public funding for being a land-grant, sea-grant, space-grant and urban-grant state-supported research institution. Columbia University: Columbia University (Columbia; officially Columbia University in the City of New York), established in 1754, is a private Ivy League research university in Upper Manhattan, New York City, often cited as one of the world's most prestigious universities.
Columbia University