This depends on the level you start at and how fast you learn. To reach the next level/scale of the CEFR system, you will work on courses we arrange for you. Depending on how you work on EnglishCentral, how many hours you put in, you will either level up faster or more slowly.
Following these rules will help you level up faster
For a full explanation including tutorial videos, go to my.spotonlearning.eu/ec-guide