IELTS is the International English Language Testing System, the world’s proven English language test. IELTS was one of the pi ... oneers of four skills English language testing over 25 years ago, and continues to set the standard for English language testing today. IELTS is jointly owned by the British Council, IDP: IELTS Australia and Cambridge Assessment English. As internationally focused organisations, we are committed to academic excellence and cultural understanding – ideal providers of international English testing. read more