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1. Massachusetts Institute of Technology (MIT) Massachusetts Institute of Technology (MIT) is not only the top university in the US, but it has also now been ranked first in the world for four years in a row.
In fact, five of the 25 most selective schools in the U.S. are located in California, according to academic review site Niche.com. Another five are in Massachusetts, while New York and Illinois are home to two each. Click through the top 15 hardest colleges to get into in America: