This report examines the ratio of part-time students to full-time students enrolled at the University of California and the California State University--and the trends in enrollment over the past five years. It also discusses the fiscal impact part-time enrollment has on both the State and the individual student. Appended are: (1) Part-time Enrollment for University of California Campuses and National Comparable Public Institutions Ranked from Lowest to Highest Part-time Enrollment; Part-time Enrollment for California State University Campuses and National Comparable Public Institutions Ranked from Lowest to Highest Part-time Enrollment; 2005 Part-Time Enrollment Rates for California Private Universities; (2) Debt Accumulation of Public University Graduates Full-Time and Part-Time; and (3) Example of California State University Campus Pledges to Graduate Dedicated Students in Four Years From the California State University, Stanislaus, 2006-2007 Undergraduate Catalog, page 103. (Contains 13 footnotes.)