Full-time enrollment for graduate students is defined as enrollment in 9 credit hours per semester in the fall and spring semesters and/or 4.5 hours in the summer session. Full-time enrollment for doctoral candidates (after successful completion of their comprehensive examinations) is 2 credit hours in the fall and spring semesters and/or 1 hour in the summer session. Guidelines may differ for international students based upon visa requirements. Without special permission of the Dean of the Graduate School, the maximum number of credit hours in which a graduate student may enroll is 16 credit hours per semester in the fall and spring and/or nine in the summer.