Everything You Need to Know About the IELTS Test Certificate The International English Language Testing System (IELTS) is among the most widely recognized and appreciated English language proficiency tests on the planet. Over three million people take this exam every year, desiring study, work, or move to English-speaking countries. The IELTS test certificate, provided upon conclusion of the exam, serves as an official document verifying your English language ability. In this article, we will explore everything you need to know about the IELTS test certificate, discussing its purpose, structure, advantages, and how to attain your desired score.What is an IELTS Test Certificate?The IELTS test certificate is an official document awarded to candidates who finish the IELTS exam.