3 programs, side by side

Rows marked with a dot are where these differ. Everything is each university’s own published wording; the “your average” row is yours, calculated the way each program does it.

	Western Computer Science OUAC ECS Remove	Guelph Bachelor of Commerce (BComm) Undeclared (first year only) OUAC GBU Remove	McMaster Business I OUAC MB Remove
Your average, their wayrequired courses forced in
Published rangetheir exact wording	80–87%“Low to mid 80s”	80–86%“80 to 86%”	83–90%“Mid- to high-80s”
Required coursesforced into your top 6 — options are the row below	ENG4U MCV4U MHF4U	ENG4U MHF4U	ENG4U MCV4U MHF4U
Choose one ofany of these satisfies it	one of ICS4U, MDM4U, SBI4U, SES4U, SPH4U	—	—
Prerequisitesas published	English, ENG4U Calculus and Vectors MCV4U Advanced Functions, MHF4U One of: Biology, SBI4U +5 more on the program page	ENG4U MHF4U 1 additional 4U Math 3 additional 4U/M courses Proficiency in math-based programs is required for consideration for BComm specializations. +2 more on the program page	English 4U Advanced Functions 4U Calculus & Vectors 4U
More than marks?supplementary application	Marks only	Marks only	Yes OUAC Application Deadline: April 1, 2027 *Some programs may stay open beyond this deadline, depending on capacity. It is recommended to apply as soon as possible. An optional supplementary application form is available for applicants who feel that their admission average might be close to or below the quoted range. Usually closes before January 15
Co-op	Available	No	Available
Degree	—	—	Bachelor of Commerce, BCom, Bachelor of Commerce, BComm
First-year intakewhere published	500	—	800
What you study	Computer GamesInformation ServicesSoftware Engineering	Accounting Business Studies Economics Finance	Accounting Business Studies Finance Human Resource Management
What it is	Computer Science at Western teaches you how to write programs, build software systems, and solve problems using computers and code. You choose a focus — such as game development, managing information systems, or engineering robust software — based on your interests. The program includes paid work terms alongside your studies, letting you apply classroom learning in real jobs and build professional experience before you graduate.	A Bachelor of Commerce is a four-year degree where you study business topics like accounting, finance, marketing, and management. In your first year, you take a mix of foundational courses across all these areas before choosing a specialization in second year. It suits students interested in how organizations work and make decisions, who want flexibility to explore different business fields before committing to one.	A Bachelor of Commerce is a four-year business degree where you study accounting, finance, marketing, human resources, and management. McMaster's program includes a mandatory co-op work term, so you alternate between classroom learning and paid work experience at real companies. This program suits people who want broad business knowledge and practical work experience before entering the job market.
The door tomajors you reach through it	computer science	commerce/business	accounting commerce/business finance marketing
Entrance awardsat this campus, by average	6 published, 5 with no applicationfrom 85%See them	12 published, 4 with no applicationfrom 75%See them	5 published, 3 with no applicationfrom 75%See them
Source	Western University on OUInfo	University of Guelph on OUInfo	McMaster University on OUInfo

Also compare with

Same subject area and a similar published range, at a campus you have not got in the table yet.

Ranges are what each university publishes, not guaranteed cutoffs, and limited-enrolment programs often admit above them. Confirm anything you are about to act on with the university; each column links to its source.