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Dec 09, 2025
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2025-2026 University Catalog
Fall 2025 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.html
- 16 Weeks / Full term: August 25 - December 20 (79 days)
- 1st 8 Weeks: August 25 - October 21 (39 days)
- 2nd 8 Weeks: October 22 - December 20 (40 days)
- No Classes: September 1 (Labor Day)
- No Classes: October 13-14 (Fall Break)
- No Classes: November 26-29 (Thanksgiving Break)
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To ADD or MODIFY a Course
16 Weeks | 1st 8 Weeks | 2nd 8 Weeks | Authorizations Required | August 25 - August 29
(Week 1) | August 25 - August 26 | October 22 - October 24 | (COURSE SPACE AVAILABILITY REQUIRED)
Students may add courses via the Scheduling Assistant. | August 30 - October 28
(Weeks 2 - 9) | August 27- September 24 | October 25 - November 20 | Advisor and Instructor
Submit request via the Scheduling Assistant. | | September 8 | August 28 | October 28 | Last day to audit and/or request H grade mode.
Submit change of grade mode to Audit / Honors after officially enrolled. | | September 3 | September 3 | October 23 | $200 Late Registration Fee begins. | To DROP a Course
16 Weeks | 1st 8 Weeks | 2nd 8 Weeks | Authorizations Required | August 25 - September 8
(Week 1 & 2) | August 25 - August 29 | October 22 - October 28 | No Authorizations required (Course not recorded)
Students may drop courses via the Scheduling Assistant. | September 9 - November 25
(Weeks 3 - 13) | August 30 - October 8 | October 29 - December 10 | Advisor approval required (Course recorded with a grade of “W”) Submit request via Scheduling Assistant | REFUND Percentage of Fees & Tuition
| 16 Weeks | 1st 8 Weeks | 2nd 8 Weeks | PERCENTAGE | | Before September 3 | Before September 3 | Before October 23 | 100% | | September 3 - 10 | N/A | October 23 - 27 | 80% | | September 11 - 24 | September 3 - 5 | October 28 - 31 | 60% | | September 25 - October 8 | September 6 - 10 | November 1 - 5 | 40% | | After October 8 | After September 10 | After November 5 | NONE | *Last updated 3/17/2025 |
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