Stanford remains the most selective/exclusive school in the country for three years and counting...

Colleges and Universities A-Z Stanford University
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Stanford remains the most selective/exclusive school in the country for three years and counting…

http://www.examiner.com/article/stanford-remains-the-most-selective-college-the-country

http://www.washingtonpost.com/news/grade-point/wp/2015/04/01/class-of-2019-admit-rates-from-selective-to-ultra-ultra-selective/

http://www.bloomberg.com/news/articles/2015-03-31/spurned-ivy-league-hopefuls-have-lots-of-company-in-their-misery

http://www.bloomberg.com/news/articles/2015-03-27/stanford-admits-record-low-5-percent-of-freshman-applicants

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From the Washington Post article:

The initial admit rates

Stanford - 5.0%
Harvard - 5.3%
Columbia - 6.1%
Yale - 6.5%
Princeton - 7.0%
Chicago - 7.8%
MIT - 8.0%
Brown - 8.5%
Penn - 9.9%
Dartmouth - 10.3%
Duke - 11.3%
Cornell - 14.9%

We can see something has been done right at NYC.