TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
Home/Articles/Immigration
№ 47 Immigration

Canadian Language Benchmark (CLB) Levels and Express Entry

Learn what Canadian Language Benchmark (CLB) levels are, how test results convert to them, and why they drive so much of your Express Entry CRS score.

Immigration5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
All articles
Key takeaways
  • The CLB is a standardized scale used across federal immigration and settlement programs to describe proficiency in English or French.
  • IRCC only accepts results from specific designated language tests, and each one has its own official conversion chart into CLB levels.
  • Language ability is one of the core human capital factors in the CRS, and it's also woven into several other calculations: - It contributes directly to your language points as one of the…

Language testing is one of the first — and most consequential — steps in an Express Entry application. But the raw score your test provider gives you isn't what IRCC actually scores. It gets converted into a Canadian Language Benchmark (CLB) level, and that conversion is what drives a large share of your CRS points. This article explains what CLB actually measures, how your test results get there, and why small differences at the margins can matter a lot.

What the Canadian Language Benchmark Actually Measures

The CLB is a standardized scale used across federal immigration and settlement programs to describe proficiency in English or French. Instead of comparing raw test scores from different providers directly — which wouldn't be a fair comparison, since tests are scored differently — IRCC converts each test's results into the common CLB scale so every applicant is measured against the same yardstick, regardless of which approved test they took.

Your CLB level isn't a single number. It's assessed separately across four distinct abilities:

Each ability gets its own CLB level based on your test results, and Express Entry scores each one individually rather than averaging them together.

Approved Tests and How They Convert

IRCC only accepts results from specific designated language tests, and each one has its own official conversion chart into CLB levels. For English, that generally means a test such as IELTS General Training or CELPIP General; for French, a test such as TEF Canada or TCF Canada. The conversion charts themselves are published and updated by IRCC — always check the current version rather than relying on a chart you may have seen in an older source, since these have changed over time.

A critical detail many candidates miss: your raw test score and your CLB level are not the same thing, and the conversion isn't always intuitive. A score that sounds strong in absolute terms on one test might land at a different CLB level than a seemingly similar score on another test, simply because of how each provider's scale maps to the CLB conversion chart for that specific ability.

Why CLB Levels Drive So Much of Your CRS Score

Language ability is one of the core human capital factors in the CRS, and it's also woven into several other calculations:

Because language touches so many parts of the formula, a modest improvement in even one ability can sometimes raise your overall score by more than you'd expect from that factor alone.

The Four Abilities: Why One Weak Score Can Hold You Back

Because each of the four abilities is scored on its own, a strong overall test result can still be dragged down by a single weaker skill. It's common for candidates to be strong conversational speakers but weaker writers (or vice versa), and the CRS doesn't average this out — it scores what you actually demonstrated in each category.

This is why many candidates retake a language test specifically to improve one ability rather than retesting across the board. Before doing that, it's worth understanding exactly where the current conversion thresholds sit for the ability you're targeting, since a small, well-targeted improvement can sometimes be more efficient than an across-the-board retest.

A Practical Checklist Before You Test

Frequently asked questions

Do I need to take both an English and a French test?

No, but taking both can help. French language ability can unlock additional points beyond the core language score for some candidates, so it's worth considering if you have any working French proficiency, even if English is your primary language.

What happens if my CLB level is different across the four abilities?

Each ability is scored individually, so a mix of levels is normal and expected. Your overall language points reflect the specific combination you actually achieved, not an average.

How long are my language test results valid for Express Entry?

Language test results carry an expiry, and using expired results can invalidate your profile or a subsequent application. Always confirm the current validity period with your test provider and IRCC directly rather than assuming it matches what you've read elsewhere.

Can I retake a language test to improve my CRS score?

Yes, and many candidates do, particularly when one ability is holding back an otherwise strong profile. Retesting takes time and cost, so it's worth confirming the likely benefit before committing to it.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

This is an immigration question

Start a file online — flat, published fees, reviewed by a licensed Ontario lawyer before a dollar is owed.

ContactStart a File →