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Census Date

What is Census Date?

Eligibility for financial aid at Purdue University is based on the number of credit hours you are enrolled and attending/participating in at the end of the fourth week of classes for the fall and spring terms, defined as the Census Date. Financial aid may be adjusted if your enrollment on the Census Date differs from the enrollment initially used to determine your financial aid eligibility.  

What does this mean?

Financial aid eligibility is determined based on level of enrollment. Certain types of financial aid require full-time enrollment to maintain eligibility; other types of financial aid only require half-time enrollment. If you receive financial aid that is based on full-time enrollment and have reduced your credit hours as of the Census Date, an award may be cancelled and you may be billed for lost aid.


You enrolled in 12 credit hours (full-time status) at the beginning of the semester and received financial aid based on full-time enrollment. You later dropped or withdrew from a 3 credit hour course. At Census Date, your actual enrollment is 9 credit hours (three-quarter-time status). Your financial aid eligibility will be recalculated to reflect three-quarter-time enrollment.

What can you do?

If you anticipate a change in enrollment, please contact our office to determine how this change will impact your financial aid.