Born in Wilmington, Delaware, Graham played competitively at Florida's Brandon High School, and was team captain his senior year in which he averaged 16 points, 8 rebounds and 6 assists per game; in that year, he and his brother Joey led Brandon to the state finals.
Graham spent his freshman and sophomore college basketball seasons (2000-01; 2001-02) with the University of Central Florida Knights, then transferred to Oklahoma State University for his junior year (2002-03) in which he redshirted [REF].