Duolingo English Test; or the IELTS Academic test. The IELTS test can be taken on paper or computer and students receive a score between 1 to 9, referred to as bands, for each section. The IELTS ...

The TOEFL, IELTS, and Duolingo English Test are three different English language proficiency tests accepted by CU Boulder as proof of English proficiency. CU Boulder does not accept any other tests as ...