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Dec 05, 2025
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2025-2026 University Catalog
Summer 2026 Add/Drop
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Please note the submission date is not the effective date. Your request cannot be processed until all required actions from campus partners are complete. This may affect your refund and/or if your request is canceled for not meeting the university established deadlines.
All required actions must be completed by 11:59 PM EST on said deadline day
Information on refunds from the University may be found at the following website: https://www.purdue.edu/treasurer/finance/bursar-office/tuition/refund-and-withdrawals/
Students withdrawing from ALL course assignments after classes have begun should go to myPurdue, Registration tab, and look for Withdraw Information.
The revision/refund dates on this calendar apply to courses that exactly fit the time frames listed. Courses offered outside of these time frames have their own deadlines (2-week courses, etc.). Additional information for these courses can be found by viewing the Short Course Drop/Add Refund Dates here: https://www.purdue.edu/registrar/calendars/index.htm
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- 12 Weeks / Full term: May 18 - August 7 (58 days)
- 1st 8 Weeks: May 18 - July 10 (38 days)
- 2nd 8 Weeks: June 15 - August 7 (39 days)
- 1st 4 Weeks: May 18 - June 12 (19 days)
- 2nd 4 Weeks: June 15 - July 10 (19 days)
- 3rd 4 Weeks: July 13 - August 7 (20 days)
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To ADD or MODIFY a Course
12 Weeks | 1st 8 Weeks | 2nd 8 Weeks | 1st 4 Weeks | 2nd 4 Weeks | 3rd 4 Weeks | Authorizations Required | | May 18 - May 21 | May 18 - May 19 | June 15 - June 16 | May 18 | June 15 | July 13 | (COURSE SPACE AVAILABILITY REQUIRED)
Students may add courses via the Scheduling Assistant. | | May 22 - July 1 | May 20 - June 16 | June 17 - July 15 | May 19 - June 2 | June 16 - June 29 | July 14 - July 27 | Add/Modify with Advisor and Instructor approval
Submit request via the Scheduling Assistant. | | May 27 | May 21 | June 18 | May 19 | June 16 | July 15 | Last day to audit and/or request H grade mode.
Submit change of grade mode to Audit / Honors after officially enrolled. | | May 22 | May 17 | June 19 | May 22 | June 20 | July 15 | $200 Late Registration Fee Begins | To DROP a Course
12 Weeks | 1st 8 Weeks | 2nd 8 Weeks | 1st 4 Weeks | 2nd 4 Weeks | 3rd 4 Weeks | Authorizations Required | | May 18 - May 27 | May 18 - May 22 | June 15 - June 19 | May 18 - May 19 | June 15 - June 16 | July 13 - July 15 | No Authorizations required (Course not recorded)
Students may drop courses via the Scheduling Assisstant. | | May 28 - July 23 | May 23 - June 30 | June 20 - July 29 | May 20 - June 8 | June 17 - July 6 | July 16 - August 3 | Advisor (Course recorded with a grade of “W”)
Submit request via the Scheduling Assisstant. | REFUND Percentage of Fees & Tuition
12 Weeks | 1st 8 Weeks | 2nd 8 Weeks | 1st 4 Weeks | 2nd 4 Weeks | 3rd 4 Weeks | PERCENTAGE | | Before May 22 | Before May 22 | Before June 19 | Before May 22 | Before June 19 | Before July 17 | 100% | | May 22 - May 28 | May 22 - May 25 | June 19 - June 23 | N/A | N/A | N/A | 80% | | May 29 - June 4 | May 26 - May 31 | June 24 - June 29 | May 22 - May 26 | June 19 - June 23 | July 17 - July 21 | 60% | | June 5 - June 11 | June 1 - June 6 | June 30 - July 4 | May 27 - June 2 | June 24 - June 28 | July 22 - July 26 | 40% | | After June 11 | After June 6 | After July 4 | After June 2 | After June 28 | After July 26 | NONE | |
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