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English C1 Level Certificate

Skills at C1 English

C1 is the fluent level in language learning. By this point, the person can use the English language independently and with a great deal of precision. They can cover a wide variety of subjects and in almost any setting without prior preparation. A C1 level in English signifies an extensive knowledge of vocabulary and complex grammar structures.

Students require about 800 hours of instruction to reach C1 from a complete beginner level.

According to the CEFR guidelines, a language learner at the C1 level:

  • Can understand a wide range of demanding, longer clauses, and recognize implicit meaning.
  • Can express ideas fluently and spontaneously without much obvious searching for expressions.
  • Can use language flexibly and effectively for social, academic, and professional purposes.
  • Can produce clear, well-structured, detailed text on complex subjects, showing controlled use of organizational patterns, connectors, and cohesive devices.

How can I tell if I am C1 level in English?

Verify your English language level by taking Tandem’s standardized language C1 level English test! With a time limit of 45 minutes, a mixture of your reading, listening, and grammar skills will be put to the test.

Once you’ve passed the test, you’ll receive your official certificate straight away! Download Tandem to your smartphone and get your C1 English certificate online today.

Check out our Certificate FAQs for more information.

Tandem Certificate C1