Official transcripts.
All applicants are:
expected to be competent in oral and written English,
expected to satisfy all prerequisite requirements in a particular discipline before enrolling in graduate-level courses in that discipline for credit,
expected to satisfy all prerequisites by the time nine hours of graduate-level work are complete
All applicants are required to meet the following admission requirements:

950 points based on the formula: 200 times 4-year undergraduate GPA plus GMAT score or,
1000 points based on the formula: 200 times Junior-senior GPA plus GMAT score.
For example:

An applicant with a 3.2 GPA (for 4 years undergraduate) and a GMAT score of 530 would calculate:

3.2 (GPA) x's 200 plus 530 = 1170, which meets the 950-point requirement.

IELTS - 6.0, TOEFL - 71 (Internet-based Test), 525 (Paper Test), Duolingo test - 95