Since it was introduced in the 1960s, the Certificate in Teaching English to Speakers of Other Languages has become an essential English language teaching qualification, trusted by teachers, language schools and governments. Every year, tens of thousands of future and current language teachers take CELTA at over 300 centres in more than 70 countries around the world. But having been around for so long, does CELTA remain relevant? During this year’s IATEFL conference in Brighton, Clare Harrison presented a number of arguments which attempted to answer this particular question.