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 ...

and Duolingo are the most popular English proficiency exams received, we accept all of the following English proficiency exams listed below based upon applicant type.

We do not require and will not consider General Record Examination (GRE) scores. Proof of English proficiency is required for immigration purposes for all international student applicants. The TOEFL, ...

SAT, ACT, TOEFL, IELTS, Duolingo, ELS certificate ... International students are encouraged to take one of these exams for relevant scholarship considerations. Student can demonstrate English ...