Admission to University of Colorado Denver is selective and competitive and is based on a holistic review of application materials. Applicants must have completed an undergraduate program at an accredited United States college or its equivalent in another country. No work experience or formal business education is required for admission; however, you may have to provide a GMAT or GRE score if you do not have enough work experience. GRE/GMAT: Optional but recommended, especially for applicants with a GPA below 3.0 or with unrelated academic backgrounds.