IELTS is an abbreviation for International English Language Testing System. There are two IELTS tests available – IELTS Academic or IELTS General Training. The test you choose should be based on what it is you want to do. IELTS can help you with a variety of life choices, like moving abroad, getting the job you've always wanted or even just improving your English language skills. So before you book your test, be sure to check which one is right for you. The International English Language Testing System (IELTS) is the world's most popular English language proficiency test for higher education and global migration.As one of the pioneers of four skills English language testing 30 years ago, IELTS continues to set the standard for English language testing today. Governments in Australia, Canada, New Zealand and the United Kingdom use IELTS to process immigration applications.