The CEFR – or to give it its full name, The Common European Framework of Reference for Languages – is a way of identifying your student’s current proficiency level in English. This helps you find materials appropriate to their ability level, and helps you see where they need to go next on their language journey.
Here’s a video about the CEFR from Cambridge English:
Here are some of the statements used to describe language learners at different proficiency levels. You can find out more about the CEFR here: