Generally we refer to the English spoken in the British Isles as "British English," but the distinction could be made between various forms of it: Irish English, Scottish English and English English.
In the UK students learn British English. American English is not recognised as correct in the UK, though an increasing number of young people use some aspects of American English in everyday speech,...
If you are fairly good in English you may be in a good position to teach it. You have to make sure you know not just how to speak and write English, but also have good and comprehensive working...