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The Wharton School of the University of Pennsylvania placed second in QS Quacquarelli Symonds' 2021 ranking of the best executive MBA programs in the world.REUTERS.
IE Business School in Spain ranked as the best online MBA program in the world, according to QS Quacquarelli Symonds, for the fourth consecutive year.JoeLogan/Shutterstock.
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Stanford Graduate School of Business ranked at the top of QS' 2021 Global MBA Ranking.Steve Proehl/Getty Images.