The Most Selective MBA Programs by: Jeff Schmitt on July 27, 2019 | 23,826 Views July 27, 2019 Copy Link Share on Facebook Share on Twitter Email Share on LinkedIn Share on WhatsApp Share on Reddit The biggest two-year increase in average GMAT score for a top-25 school came at Columbia Business School, which jumped 8 points from 724 to 732, joining a four-way tie for top average score among all the P&Q top 50 schools. Columbia Business School photo Previous Page Continue ReadingPage 3 of 5 1 2 3 4 5