How can I score C2 on the EnglishScore app? It is not possible to score a C2 on EnglishScore. The highest possible score you can achieve is a C1 (EnglishScore 599). Find out more about our scoring. Related articles Is my score a good score? What is a CEFR level? How can my Certificate be verified? How many times can I take the EnglishScore tests? How do I proceed to the Reading and Listening sections in the Core Skills Test?