12. University of Pennsylvania: This University is the fourth-oldest institution of higher education in the U.S. Sited in Philadelphia, Pennsylvania, The University of Pennsylvania is a private body. This institution is particularly renowned for its medical school, dental school, school of business, law school, communications school, nursing school, veterinary school, its social sciences and humanities programs, as well as its biomedical teaching and research capabilities.

11. University of Washington: Founded in 1861, University of Washington is a public research university located in Seattle, Washington, United States. This university has three campuses: amongst which the largest one is located in the University District, Seattle and two others are located in Tacoma and Bothell. The research budget of this University is amid one of the highest in the United State and it is also reported that the University always ranks amongst the top 20 universities in the world.