U.S. bachelor's degree or international equivalent.
If your post-secondary credentials are from an institution outside the United States, the Office of Admissions requires you to submit all post-secondary credentials (undergraduate and graduate) to World Education Services, Inc. (WES), a third-party verification agency for a course-by-course evaluation for admission consideration.

In the Academic History section of your online application, you must list and upload unofficial transcripts for all post-secondary institutions you have attended for at least one term. This includes any summer program(s), study abroad program(s), or transfer coursework including any additional mark sheets, official translations, or degree certificates for international transcripts as needed with the exception of:

Coursework where no credits are earned,
Institutions where you completed a total of 11 credits or less (on a traditional U.S. credit system) outside of your degree granting institution and those credits appear on your degree granting institution transcript.

Please upload your resume or CV. Please be sure to include all relevant work experience, professional organizations, or activities that would be relevant to evaluating your candidacy for admission.
Two letters of recommendation
Your statement of academic purpose (500–750 words)

Applicant total scores must meet the Columbia SPS minimum requirement of 100 (TOEFL iBT) or 7.0 (IELTS Academic) to be admissible.