Some sites with placement tests to check your level of English

http://www.languagelevel.com/english/index.php

http://www.languagelevel.com/english/

http://www.englishtag.com/tests/tests.asp

http://examenglish.com/leveltest/index.php?gclid=CJ3zoI71qM8CFeQp0wodk4QENg

http://www.abaenglish.com/en/english-level-test/?partnerid=300009&sourceid=268&gclid=CPLPzqf1qM8CFfQW0wodHeEJYA

https://www.cll.be/adults-20/level-test-45.htm?lng=en

http://www.ihlondon.com/learn-english/test-your-level-of-english/