4 programs, side by side

Full	Western Science OUAC ES ☆ Add to planRemove	Carleton Mathematics – Honours (4 years) OUAC CMA ☆ Add to planRemove	Trent (Durham) Honours Science OUAC ROX ☆ Add to planRemove	U of T (Scarborough) Physical & Environmental Sciences - Health Sciences Stream (regular and co-op) OUAC TXH ☆ Add to planRemove
Your average, their wayrequired courses forced in
Published rangetheir exact wording	80–87%“Low to mid 80s”	78%	70%“70% minimum”	73–80%“Mid-70s (regular), high 70s (co-op)”
Required coursesforced into your top 6 — options are the row below	ENG4UMCV4U	MCV4UMHF4U	ENG4U	ENG4UMCV4UMHF4U
Choose one ofany of these satisfies it	two of ICS4U, MDM4U, MHF4U, SBI4U, SES4U, SPH4U	—	—	—
Prerequisitesas published	English, ENG4U Calculus and Vectors MCV4U Two of: Advanced Functions, MHF4U Biology, SBI4U +7 more on the program page	Advanced Functions (MHF4U) Calculus (MCV4U) 4 best 4U/M courses Alternative Offers Find more information about alternative offers +1 more on the program page	Minimum 70% calculated from best six 4U/M courses Required Courses: ENG4U with a minimum of 60% A 4U math is recommended	ENG4U MCV4U MHF4 Science prerequisites (SPH4U or SBI4U) for specific disciplines are also required. SCH4U is recommended for specific disciplines. See U of T Scarborough's viewbook +1 more on the program page
More than marks?supplementary application	Yes Unless otherwise noted, required courses must be completed with a minimum average of 70%. Western Integrated Science applicants must submit a supplementary application. More information Usually closes before January 15	Marks only	Marks only	Marks only
Co-op	Available	Available	No	Available
Degree	—	—	—	—
First-year intakewhere published	550	—	200	340
What you study	Animal ScienceAstronomyBiological SciencesChemistry	Computer ScienceEconomicsMathematicsPhysics	AgricultureAnthropologyArchaeologyBiological Sciences	AstronomyChemistryEnvironmental StudiesGeology
What it is	This is a broad science degree where you choose from fields like biology, chemistry, physics, computer science, geology, and others. You take foundational science courses in first year, then specialize by selecting which science subjects to focus on. Co-op is available, letting you do paid work terms at science-related employers alongside your studies.	An Honours Mathematics degree means you study pure and applied mathematics at depth over four years, with required courses in calculus, algebra, analysis, and proof-based theory. Unlike a general math program, this honours stream demands rigorous mathematical reasoning and includes optional specializations through electives in computer science, physics, statistics, or economics. It suits students who enjoy abstract problem-solving and want a foundation for graduate studies or technical careers.	Honours Science is a broad science degree where you choose your major from fields like biology, chemistry, environmental science, computer science, or archaeology. Unlike a general science program, an honours degree requires you to specialize in one subject and complete more advanced courses in that area. It suits students who want a strong grounding in science but haven't yet decided on one specific career path, or who want deeper knowledge in a particular field.	You study physical sciences — chemistry, physics, geology, and environmental topics — with a focus on how they connect to human health and the living world. This stream emphasizes the intersection between earth and life sciences rather than pure physics or chemistry alone. The co-op option lets you do paid work terms at relevant employers alongside your degree. It suits students interested in environmental health, toxicology, or science careers that bridge the natural world and wellness.
The door tomajors you reach through it	biologychemistryearth scienceenvironmental sciencelife sciencesmathematicsphysicsstatistics	mathematicsstatistics	Applied to directly	health sciences
Entrance awardsat this campus, by average	6 published, 5 with no applicationfrom 85%See them	16 published, 9 with no applicationfrom 75%See them	None published by average	4 published, 4 with no applicationfrom 85%See them
Source	Western University on OUInfo	Carleton University on OUInfo	Trent University — Durham GTA on OUInfo	University of Toronto — Scarborough on OUInfo

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.