A. Yes, the GMAT is a required entrance exam for the best MBA programs in the US. The minimum required score is 600. However, this varies from university to university. The top three universities set high standards for the GMAT score. Some universities do not require a GMAT score. Some of them include the University of Hull, Ross School of Business, Florida International University, Pace University, and Boston University. To waive the GMAT score requirement, one must have a high GPA or work experience.