Duke University Graduate School Ph.D. Completion Rates for Students Admitted in 1998-2003
	Total # Matrics	# of Ph.D.'s	# Still Enrolled	# of Withdrawn	Estimated % Completion*
BIOLOGICAL SCIENCES	436	292	18	85	62%
Biology (Including Botany and Zoology)	72	42	3	13	29%
*Assumes 3/4 of those still here will obtain Ph.D.
Five-year cohort data posted: October, 2009