i How School-Community Partnerships Contribute to Widespread Volunteer Mentoring with Youth: A Study of Environmental Change in Three Communities by Stergios Tsai Roussos Submitted to the Department of Human Development and Family Life and the Faculty of the Graduate School of the University of Kansas in partial fulfillment of the requirements for the degree of Doctor of Philosophy Stephen B. Fawcett Chair Vincent T. Francisco Co-Chair Mark R. Mathews Edward K. Morris Michael H. Fox Date Submitted: May 1, 2002