There are seven levels on EnglishCentral that correspond to the CEFR, TOEIC, TOEFL and other leveling systems:
EnglishCentral allows students and teachers to filter video lessons or courses by any of these seven levels.
In addition, Students can also book a level test with a tutor and receive a complete assessment report with their level across 5 criteria, plus recommended content for study based on their level and interest
How do I change My Level on EnglishCentral?
To change your level setting, visit your profile page (or in the app select “Settings”). Select “Change Difficulty”and select your level.