Generally, it takes a good solid recession and a stock market crash to cause MBA applications to rise. But in this past year, for the Class of 2019, a half dozen of the top 20 U.S. schools didn't need a downturn to post record application volumes. The big winners? Yale SOM, MIT Sloan, Stanford GSB, Duke Fuqua, Carnegie Mellon Tepper and Rice Jones. Harvard Business School and the University of Washington only narrowly missed their best years