GUIDE TO LANGUAGE LEVELS: WHAT LEVEL OF ENGLISH DO YOU HAVE?

Here you have the explanation to the official levels of language learning with examples of each level.

http://easyenglisharticles.com/2015/04/what-level-of-english-do-you-have/

There is also a link to a quick test you can do to see what your real level of English is.

http://www.cambridgeenglish.org/test-your-english/