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Important Dates - Current Students

March

March 11, 2018 - April 29, 2018
Subject POSt request period on ACORN (Round 1 of 2).

April

April 9, 2018 - April 23, 2018
Examination period. Exams may be scheduled during the day for classes held in the evening and vice versa. Exams may also be held on Saturdays. Students who make personal commitments during the examination period do so at their own risk. No petitions will be accepted for deferred examinations to accommodate personal or vacation plans.

April 24, 2018
Exam Contingency Day

April 25, 2018
Deferred examination period for S & Y exams.

April 25, 2018
Last day to pay minimum amount to register for the Summer Session as indicated on ACORN invoice.

April 26, 2018 - May 2, 2018
If tuition payment is made during this period, you MUST provide the Office of the Registrar with proof of payment to avoid being removed from classes on May 3.

April 29, 2018
1st Subject POSt period: Deadline to request Type 2&3 Subject POSts on ACORN.

April 30, 2018
Last day for graduating students to show proof of payment for outstanding fees and to clear financial/administrative holds

April 30, 2018
Payment deadline for outstanding Fall/Winter fees for ALL students (including students who have been deferred due to a scholarship/award, or student loan)

May

May 1, 2018
Deadline for visiting students to apply for F and/or Y courses.

May 2, 2018
Last day to defer fees for OSAP via ACORN for F and Y courses.

May 2, 2018
Last day to submit or show proof of payment to the Office of the Registrar for any tuition payments made between April 26 and May 2.

May 3, 2018
Registration cancelled if payment or deferral of fees has not been received. Students whose ACORN account does not show "Registered" status will be removed from classes.

May 4, 2018
Late registration fee begins for F & Y courses ($44 + $5 for each additional weekday). 

May 6, 2018
Deadline to cancel registration (if only enrolled in F & Y courses) with no minimum charge.

May 7, 2018
Classes begin for F & Y courses.

May 11, 2018
Last day to apply for OSAP for the Summer Session (for students taking courses held from May to June only).

May 13, 2018
Waiting list for U of T Mississauga F & Y courses ends.

May 13, 2018
Last day to add or change a section in an F or Y course on ACORN.

May 13, 2018
Last day to drop an F or Y course and receive 100% course fee refund, as long as you are still registered in other courses for the Summer Session.

May 18, 2018
First day to accept invitations for Subject POSt requests made during 1st Subject POSt period (March 11-April 29).

May 21, 2018
Victoria Day. University closed.

May 21, 2018
Last day to drop an F course on ACORN for a 75% course fee refund.

May 28, 2018
Last day to drop a Y course on ACORN for a 75% course fee refund.

June

June 4, 2018
Last day to drop an F course on ACORN for a 50% course fee refund. Last day to cancel F courses from academic record.

June 8, 2018
For students enrolled in S courses only after May 4: Last day to pay minimum amount of tuition fees as indicated on ACORN invoice.

June 11, 2018
Last day to drop a Y course on ACORN for a 50% course fee refund.

June 11, 2018
2nd Subject POSt period: First day to request Type 2&3 Subject POSts on ACORN (until Aug. 25).

June 15, 2018
For students enrolled in S courses only after May 4: Last day to pay minimum amount of tuition fees as indicated on ACORN invoice.

June 15, 2018
Service charges on outstanding Summer Session fee balances begin to accrue.

June 18, 2018
Last day of classes for F courses.

June 18, 2018
Last day to request late withdrawal (LWD) status.  Last day to request or cancel Credit/No Credit option for F courses on ACORN.

June 19, 2018
Last day to apply for OSAP for students taking courses held from May to August, that did NOT receive OSAP in Fall-Winter 2018-2019

June 19, 2018 - June 29, 2018
Term break for Y courses. Classes resume on July 3.

June 19, 2018
First day to confirm or withdraw graduation request for November 2018.

June 20, 2018 - June 22, 2018
Final exam period for F courses.

June 25, 2018
Exam Contingency Day

June 26, 2018
For students who enrolled in S courses only as of May 5, this is the last day to show proof of payment to the Office of the Registrar (if the payment was made after June 15).

June 26, 2018
Last day to defer fees for OSAP on ACORN for students enrolled in S courses only as of May 5.

June 27, 2018 - June 29, 2018
Deferred exam period for F courses

June 27, 2018
For students who enrolled in S courses only as of May 5, registration cancelled if payment or deferral of fees has not been received. Students whose ACORN account does not show a "Registered" status will be removed from classes.

June 28, 2018
Late registration fee begins for S courses ($44 + $5 for each additional weekday). (Only applies to students who are required to reinstate their registration after being removed from courses for non-payment of fees or for students who enrol in S courses for the first time as of June 28.)

July

July 1, 2018
Deadline for visiting students to apply for S courses. 

July 1, 2018
Deadline to apply for a Letter of Permission to study at another Canadian university in the Fall Session.

July 2, 2018
University closed - Canada Day (July 1) Observed. Deadline to cancel registration (withdraw from all courses) with no minimum charge (if registered in S courses only).

July 3, 2018
Classes resume for Y courses. First day of classes for S courses.

July 9, 2018
Waiting list for U of T Mississauga S courses ends. Last day to add or change a section in an S course on ACORN. Last day to drop an S course on ACORN and receive 100% course fee refund, as long as you are still registered in other courses for the session.

July 16, 2018
Last day to drop an S course on ACORN for a 75% course fee refund.

July 22, 2018
Last day to drop a Y course from academic record.

July 27, 2018
Course enrolment limit increases to 6.0 from 5.0 (begins 6 a.m.).

July 27, 2018
Deadline to accept Subject POSt invitations for requests made in 1st period (March 12-April 29).

July 30, 2018
Last day to drop an S course from academic record Last day to drop an S course on ACORN for a 50% course fee refund.

August

August 6, 2018
University closed - Civic holiday.

August 13, 2018
Y & S courses end.

August 13, 2018
Last day to request late withdrawal (LWD) for Y & S courses. Last day to to cancel or select Credit/No Credit option for Y & S courses on ACORN.

August 14, 2018
Make-up day for August 7 (Civic Holiday).

August 15, 2018
Study break for Y & S courses.

August 16, 2018 - August 18, 2018
Final exam period for Y & S courses.

August 20, 2018
Exam Contingency Day

August 22, 2018 - August 24, 2018
Deferred exam period for Y and S courses.

August 25, 2018
2nd Subject POSt period: Deadline to request Type 2 & 3 Subject POSts on ACORN.

View important dates by session.

Summer - 2017

Fall/Winter - 2017-18

Summer - 2018