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	Waterloo Honours Science (Regular/Co-op) OUAC WS Remove	Waterloo Physical Sciences (Regular/Co-op) OUAC WPS Remove
Your average, their wayrequired courses forced in
Published rangetheir exact wording	80–87%“Low to mid 80s”	80–83%“Low 80s”	80–83%“Low 80s”
Required coursesforced into your top 6 — options are the row below	ENG4U MCV4U MHF4U	ENG4U MCV4U MHF4U	ENG4U MCV4U MHF4U
Choose one ofany of these satisfies it	one of ICS4U, MDM4U, SBI4U, SES4U, SPH4U	two of MDM4U, SBI4U, SCH4U, SES4U, SPH4U	two of MDM4U, SBI4U, SCH4U, SES4U, SPH4U
Prerequisitesas published	English, ENG4U Calculus and Vectors MCV4U Advanced Functions, MHF4U One of: Biology, SBI4U +5 more on the program page	English (ENG4U – min. 70%) Advanced Functions (min. 70%) Calculus and Vectors (min. 70%) Any two of the following: Biology, Chemistry, Earth and Space Science, Mathematics of Data Management, or Physics	English (ENG4U – min. 70%) Advanced Functions (min. 70%) Calculus and Vectors (min. 70%) Any two of the following: Biology, Chemistry, Earth and Space Science, Mathematics of Data Management, or Physics
More than marks?supplementary application	Marks only	Marks only	Marks only
Co-op	Available	Available	Available
Degree	—	—	—
First-year intakewhere published	500	130	250
What you study	Computer GamesInformation ServicesSoftware Engineering	Biology Chemistry Materials Science Molecular Biology, Biochemistry	Astronomy Chemistry Geology Materials Science
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.	This program lets you study science broadly — chemistry, physics, biology, materials science, and related fields — at university level. Unlike a specialized honours program in a single science, this one gives you flexibility to explore multiple areas before focusing deeper. The co-op option lets you alternate study terms with paid work in science-related industries. It suits students who are strong in math and sciences but not yet sure which direction to specialize in, or who want practical work experience alongside their degree.	Physical Sciences is a broad first-year program where you study foundational chemistry, physics, mathematics, and biology before choosing a specialization in second year. The co-op option means you alternate between study and paid work terms at companies or research labs, giving you real experience in your field. This program suits students who are strong in math and science but not yet certain which specific physical science direction — from astronomy to polymer chemistry — they want to pursue.
The door tomajors you reach through it	computer science	Applied to directly	chemistry earth science physics
Entrance awardsat this campus, by average	6 published, 5 with no applicationfrom 85%See them	4 published, 3 with no applicationfrom 80%See them	4 published, 3 with no applicationfrom 80%See them
Source	Western University on OUInfo	University of Waterloo on OUInfo	University of Waterloo on OUInfo

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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.