IELTS IELTS is designed to test the language ability of people who want to study or work where English is used as the language of communication. Educational institutions, employers, professional registration bodies and government immigration agencies often require proof of English language skills as part of their recruitment or admission procedures. IELTS is widely accepted for these purposes. IELTS is designed to test the language ability of people who want to study or work where English is used as the language of communication. Over 3 million tests are taken each year. (Source: http://www.cambridgeenglish.org/exams-and-tests/ielts) Test Center Location IELTS is administered and managed by our partner Cambridge English Languages GmbH (CEL) Vadianstrasse 7 9000 St. Gallen Phone: +41 71 278 00 40 Registration Please find helpful links on the right hand-side of this page and the registration for IELTS below.