'Wharton moved up two spots after demonstrating high employment rates, starting salaries and bonuses for its graduates.' 1 spot for full-time MBA programs,' states U.S. 'For the first time, the University of Pennsylvania's Wharton School takes the sole No. News, this is the first time Wharton has earned this title on its own. The Wharton School at the University of Pennsylvania was ranked the best business school in the country this year.