Canadian University Grading System Explained: GPA, Percentages & How Nigerian Grades Compare

For your 2026 Canadian study permit, understanding the Nigerian CGPA to Canadian GPA conversion is mandatory. Most Canadian institutions evaluate Nigerian 5.0 CGPA results against a 4.0 or 4.33 GPA scale. This guide ensures you accurately calculate your standing for graduate school entry requirements before you apply.

Quick answer: Canada does not use a single national grading system. Most universities use either a 4.0 or 4.33 GPA scale, which differs significantly from Nigeria's 5.0 CGPA. A Nigerian Second Class Upper (2:1) generally converts to a competitive 3.0–3.3 on the Canadian 4.0 scale, enough for most Master's program entry requirements.

Understanding GPA Scales in Canada: 4.0 vs. 4.33

Unlike Nigeria's relatively uniform 5.0 scale, the GPA system in Canada varies by province and institution. Knowing which scale your target school uses is the first step in a successful application.

• 4.0 scale: Most common in Ontario and Quebec. At Lakehead University and other Ontario institutions (2026), both A+ and A are weighted as 4.0, while an A– is 3.7. A "B" grade, often the graduate entry minimum, is weighted at 3.0.
• 4.33 scale: Used at schools like University of Victoria (BC) and parts of Alberta. An A+ earns 4.33, giving a slight advantage for exceptional performance compared to the capped 4.0 system.
• Percentage system: Some provinces (e.g., Saskatchewan) use a 100-point percentage scale for internal tracking rather than GPA.

How Your Nigerian CGPA Converts to Canadian GPA

Nigerian CGPAs aren't simple math; Canadian schools and WES account for grading rigor. A Nigerian 2:1 is recognized as a high-competency credential equivalent to a Canadian B/B+.

WES Evaluation: How to Verify Your Nigerian Degree

Most Canadian universities require a formal WES evaluation to verify the authenticity and equivalency of your Nigerian degree. For 2026/2027 applicants, the WES International Credential Advantage Package (ICAP) is recommended, it stores your verified transcripts and sends them directly to universities.

The process for Nigerian applicants typically involves three steps:

1. Request official transcripts. Your Nigerian university must send these directly to WES, not through you.
2. Verification. WES verifies documents with the awarding institution (e.g., University of Lagos, ABU Zaria).
3. Final report. WES issues a Course-by-Course evaluation, converting your 5.0 CGPA into a Canadian 4.0 equivalent.

Key Differences Between Canadian Schools

Canada's grading system is decentralized — requirements at one university can differ significantly from another. Here are the most important distinctions to be aware of:

• Lakehead University (Ontario): Uses the 4.0 scale. Graduate programs typically require a minimum B average (3.0) in the final year.
• University of Northern British Columbia (BC): Requires a B+ average (76%) for most international graduate applicants.
• University of Victoria (BC): Uses the 4.33 scale, which can benefit students with strong A+ grades.

Navigating Your Next Steps Toward Canada

With the 2026 landscape requiring both a Letter of Acceptance (LOA) and a Provincial Attestation Letter (PAL) for most undergraduate and some master's students, having a clear GPA conversion is your first "win." Match your 5.0 CGPA to the requirements of your target province, initiate your WES evaluation early, and always check if your specific program has a "higher floor" for international applicants.