Hi, there!NorthWest accepts IELTS scores, even for the most famous Kellogg School. (This is the link)·Providing official scores for either the Test of English as a Foreign Language (TOEFL) or International English Language Testing System (IELTS). The test must be taken no more than two years before the intended quarter of entry (fall quarter). To be considered for admission, an applicant's TOEFL score must be 600 or higher on the paper-based exam, 250 or higher on the computer-based exam, or 100 or higher on the Internet-based exam. IELTS test takers should score 7.0 or higher. The Kellogg School does not require the Test of Spoken English (TSE).