Duke 2019-2020 By adams Nov 1, 2019 Early Application Deadline Jan 2, 2020 Regular Application Deadline Jan 7, 2020 Supplemental Application Deadline Jan 23, 2020 Course Registration Deadline Feb 1, 2020 Financial Aid Application Deadline Feb 15, 2020 On-Campus Housing Application Deadline May 13, 2020 Term I classes begin May 25, 2020 memorial day holiday Jun 22, 2020 Term I classes end