#15: Cornell University
Cornell University is a private research university that has colleges and schools located in Ithaca, New York, and Qatar. What makes this school difficult to get accepted to is that it has an acceptance rate of 15%. It ranked as the top 14 school in the list of Best Colleges and National Universities. The school is seen something of a leader as it is one of the first schools in the United States to allow both men and women to study together. Since it was founded in 1865, it has already produced 58 Nobel laureates and 14 living billionaires thus adding prestige to this school.