Build Your Degree

Enrol in classes

How to enrol (register) for classes using either MyTimetable or Mosaic

Undergraduate Calendar overview

Access the archived PDFs of Undergraduate Academic Calendars from previous years

Multi-term (A/B) courses

Multi-term courses, or A/B courses, are courses that usually span from September to April


Learn about dropping courses and/or withdrawing from the university.

Class search

How to get to the master timetable of courses offered during the current academic year

Continuing/returning students and McMaster second degree

Continuing students and McMaster second degree students

Level II program selection

Level II program selection (choosing your major)

Transfer and exchange students

Information on McMaster’s exchange program for incoming, outgoing and returning exchange students, as well as course equivalencies for students looking to transfer to McMaster

Student responsibilities

View the Student Responsibilities in the Undergraduate Calendar

Electives and minors

Looking for an elective course to round out your studies? Have an interest in an area outside of your degree studies?  Check out the elective course offerings and minors/thematic areas of study

Listener/auditor & sponsored students

Interested in taking university courses at McMaster, but not for credit? Need more info on sponsored students?

Personal Interest Course (PIC)

The Personal Interest Course (PIC) option is designed to encourage students to explore interests outside of their program without affecting their cumulative GPA


What you need to know about reinstatement.

McMaster Intersession

Looking for unique experiential learning opportunities? Consider Intersession courses in the spring/summer terms.

Social Insurance Number (SIN)

What is a SIN, why we need it, and how to submit your SIN


Meet McMaster’s 2022 Schulich Leaders

Meet McMaster’s 2022 Schulich Leaders Event

Ten students have been named McMaster’s recipients of the prestigious Schulich Leader Scholarships, Canada’s most coveted undergraduate science, technology, engineering...

McMaster University sign on campus

Admission deferrals

Admission deferrals Event

Applications for deferrals will open in mid-July. McMaster will normally only grant deferrals on offers of admission when there are...

Students walking in the snow

Is your Social Insurance Number (SIN) in Mosaic?

Is your Social Insurance Number (SIN) in Mosaic? Event

It’s important to make sure your personal information is still correct in Mosaic, including your Social Insurance Number (SIN). Your...

How to connect with us online!

How to connect with us online

How to connect with us online Event

During these unprecedented times, we have had to make some adjustments to the ways you can get in contact with...