TOEFL All applicants whose native language is not English are required to take the Test of English as a Foreign Language (TOEFL), except those who hold a secondary school certificate or university degree from one of the following countries: Australia, Canada (except Quebec), Great Britain, and New Zealand, or where English is the language of instruction. The Educational Testing Service (ETS), which develops and administers the GRE and TOEFL, maintains a list of International Testing Centers. Additional details for international applicants are available on the website of the Graduate School of Arts & Sciences. Columbia University requires a TOEFL score of 100 or an IELTS score of 7.5. IELTS All applicants whose native language is not English are required to take the Test of English as a Foreign Language (TOEFL), except those who hold a secondary school certificate or university degree from one of the following countries: Australia, Canada (except Quebec), Great Britain, and New Zealand, or where English is the language of instruction. The Educational Testing Service (ETS), which develops and administers the GRE and TOEFL, maintains a list of International Testing Centers. Additional details for international applicants are available on the website of the Graduate School of Arts & Sciences. Columbia University requires a TOEFL score of 100 or an IELTS score of 7.5. GRE The GRE general aptitude test is a firm requirement.