A lot of students who attend classes at Brooklyn Review: The best IELTS coaching institute in India and students on online forums ask this question quite regularly. The answer to this question is: Yes, you can! In fact, of late IELTS has become the most popular English language proficiency test for university admissions in the US.
There are a lot of students and even student counselors who still believe that when it comes to the language proficiency test for the college admissions in the US, TOEFL is the only test they can take. It is true that TOEFL used to be the most sought-after test for US college admissions however this is no more the case.
There are a few reasons as to why TOEFL lost out the primary position to IELTS. Firstly, more US organizations started accepting IELTS. Secondly due to the perception that IELTS test is slightly easier than the TOEFL test more students started migrating to IELTS from TOEFL. The perception that IELTS test is easier than TOEFL predominantly stems from fact that TOEFL is long-winding test than IELTS. For example, the reading section in TOEFL is for 60-100 minutes whereas the IELTS reading sections last only for 60 minutes. The TOEFL listening section lasts for 60-90 minutes while the IELTS listening section is only for 30 minutes and additional 10 minutes for transferring the answers.
So, if you are a student who is planning do MS in the US you can take IELTS instead of TOEFL, however, check with the school or university that you are applying to before making your final decision. Check out the link below for further details about the topic