Important Dates and Events* | Olin Undergraduate Programs

*Deadlines are at 9:00pm CT

Events for June 2025
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
1	2 LAST DAY TO CHANGE GRADE OPTION FOR FULL SEMESTER CLASSES (2025-06-02) LAST DAY TO WITHDRAW (W) FROM HALF A CLASSES (2025-06-02)	3 LAST DAY TO CHANGE GRADE OPTION FOR FULL SEMESTER CLASSES (2025-06-03) LAST DAY TO WITHDRAW (W) FROM HALF A CLASSES (2025-06-03)	4	5	6 Summer Session I ends (2025-06-06)	7 Summer Session I ends (2025-06-07)
8	9 Summer Session II and III begin (2025-06-09)	10 Summer Session II and III begin (2025-06-10)	11 Last day to add/drop from Session II with 100% refund (2025-06-11)	12 Last day to add/drop from Session II with 100% refund (2025-06-12)	13 Last day to Drop from Session II with 50% refund (W on transcript. No refunds for Session II after this date) (2025-06-13)	14 Last day to Drop from Session II with 50% refund (W on transcript. No refunds for Session II after this date) (2025-06-14)
15	16 Last day to Add/Drop from Session III with 100% refund (2025-06-16)	17 Last day to Add/Drop from Session III with 100% refund (2025-06-17)	18	19	20	21
22	23 LAST DAY OF LECTURES FOR HALF A CLASSES (2025-06-23) Last day to Drop from Session III with 50% refund (W on transcript. No refund for Session III after this date) (2025-06-23)	24 LAST DAY OF LECTURES FOR HALF A CLASSES (2025-06-24) Last day to Drop from Session III with 50% refund (W on transcript. No refund for Session III after this date) (2025-06-24)	25	26 FIRST DAY OF HALF B CLASSES (2025-06-26)	27 FIRST DAY OF HALF B CLASSES (2025-06-27) Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will be made on or before this date) (2025-06-27) From June 27, 2025 to June 28, 2025 Posted in Academic Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will… View Full Details for Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will be made on or before this date)	28 Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will be made on or before this date) (2025-06-28) From June 27, 2025 to June 28, 2025 Posted in Academic Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will… View Full Details for Low-enrolled course cancellation decisions for Session IV (decisions to cancel a course in Session IV due to low enrollment will be made on or before this date)
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