International English Language Testing System, or IELTS
There is also a "band 0" score for those who did not attempt the test. Institutions are advised not to consider a report older than two years to be valid, unless the user proves that they have worked to maintain their level.
The English Language Testing Service (IELTS), as IELTS was then known, was launched in 1980 by Cambridge English Language Assessment (then known as UCLES) and the British Council. It had an innovative format, which reflected changes in language learning and teaching, including the growth in ‘communicative’ language learning and ‘English for specific purposes’. Test tasks were intended to reflect the use of English language in the ‘real world’.
During the 1980s, test taker numbers were low (4,000 in 1981 rising to 10,000 in 1985) and there were practical difficulties administering the test. As a result, the IELTS Revision Project was set up to oversee the redesign of the test. In order to have international participation in the redesign, the International Development Program of Australian Universities and Colleges (IDP), now known as IDP: IELTS Australia, joined Cambridge English Language Assessment