What is the importance of knowing your English level? By knowing your English level, you can determine the types of learning styles and materials that work well for you. It also gives you an idea of the vocabulary range that you currently have.The CEFR results helps teachers establish better lesson plans and learning goals for the students by tailoring the classes based on the students level. The CEFR results are globally acceptable results that are used in Businesses and even universities. This was created by the European council.