TOEFL Applicants whose native language is not English are also required to submit a satisfactory score on the TOEFL or the IELTS Intl. Academic Course Type 2 exam. The minimum acceptable score on the TOEFL is 80 (internet-based). The minimum acceptable overall band score on the IELTS Intl. Academic Course Type 2 exam is 6.5. IELTS Applicants whose native language is not English are also required to submit a satisfactory score on the TOEFL or the IELTS Intl. Academic Course Type 2 exam. The minimum acceptable score on the TOEFL is 80 (internet-based). The minimum acceptable overall band score on the IELTS Intl. Academic Course Type 2 exam is 6.5. GRE Moreover, successful applicants are required to have a minimum Verbal required score is 146 with a minimum Quantitative score of 144. GRE scores expire after 5 years. However, for admission to the PhD program, students will not be required to retake the GRE if: 1) they have taken the exam and received a minimum total verbal and quantitative score, and 2) they have a Master of Science Degree from an accredited U.S. institution with an undergraduate GPA of 3.00 or higher, and 3) recommendations from qualified referees.