hi my friend now listen please it is so easy now to know ur level I think there are alot site we can use it to know our level like this site www.britishcouncil.org/professionals.htm
and also there really 14 levels at English but we say that anything has 3 level advancaed intermediate biginner so also u should know that English has parts such as Grammer Speaking Writting VOCAB Listennig so YOU CAN see how are you on this parts thank u take care I hope this site will useful for you