PROGRAMÂ’S Ph.D. RANKS NO. 1 The University of Colorado at Boulder Graduate School of Business Administration was recently ranked No. 1 in doctoral entrepreneurship education at the 42nd World Conference of the International Council of Small Businesses in San Francisco. The entrepreneurship doctoral program out-ranked competing schools such as Harvard, Purdue, Northwestern, University of Georgia, University of South Carolina, Wharton, Michigan, University of North Carolina and Texas A&M.