Since the language of instruction is English, applicants must be proficient in both verbal and written English. All applicants (regardless of citizenship) whose first language is not English must submit the result of the TOEFL test. Test scores must be no more than 2 years old. CSBS&C reserves the right to require any student to submit proof of adequate English skills before admission regardless of educational background, citizenship status, country of origin, or stated primary language. (The TOEFL English language proficiency test measures the ability of non-native speakers of English to use and understand North American English as it is used in higher education.) Applicants must submit an IBT (internet-based) TOEFL score of no less than 83 with a minimum score of 20 in speaking, listening, reading and a minimum score of 22 in writing. The institutional code is 3209. An IELTS score of 6.5 with no band less than 5.0 or other approved language assessment tests may be considered.