TOEFL Applicants whose first or native language is not English must demonstrate an adequate command of both spoken and written English, and they are required to submit English proficiency test scores as part of their application. We recognize the internet-based test (iBT) of the Test of English as a Foreign Language (TOEFL) and the International English Language Testing System (IELTS). Applicants whose total score on the four-part TOEFL falls below 90, or score on IELTS falls below 7, will not normally be admitted. TOEFL and IELTS scores are valid for two years only. IELTS Applicants whose first or native language is not English must demonstrate an adequate command of both spoken and written English, and they are required to submit English proficiency test scores as part of their application. We recognize the internet-based test (iBT) of the Test of English as a Foreign Language (TOEFL) and the International English Language Testing System (IELTS). Applicants whose total score on the four-part TOEFL falls below 90, or score on IELTS falls below 7, will not normally be admitted. TOEFL and IELTS scores are valid for two years only. GRE Applicants should take both the general and the mathematics subject tests early. Please consult the GRE website for testing dates, and select dates which will provide results in time for the application deadline. Please note that for the GRE's, our institution code is 1832, and the department code is 0703 for Math and 0702 for Applied Math (students interested in the Applied Math option should first look at this page).