Wall Street Journal:

In response to the concerns raised by Professor Michael Thaddeus on his faculty website, the school said in Junethat it would review past years’ data submissions and wouldn’t participate in this year’s U.S. News & World Report ranking of the nation’s best colleges. …

Also Friday, the school released two sets of numbers for what is known as the Common Data Set, a standardized set of figures that schools can voluntarily publish detailing information about student enrollment, graduation rates, financial aid and faculty, among other subjects [Understanding Columbia’s Common Data Set].