In 2022, the lowest acceptance rate goes to Stanford once again for another consecutive year. Of the U.S. business schools, Stanford GSB's rate was the only one in single digits, at 8.6%, while last year it was even lower (6.2%). Next closest rates were once again MIT Sloan School of Management and Harvard Business School, with rates slightly higher than last year, at 14.8% and 14.4% respectively.