Ph.D. Residence Requirements

One residence unit consists of one term (fall or spring) of full-time study. Six (6) residence units beyond the undergraduate degree are required for the Ph.D. Continuous registration until completion of all requirements is obligatory. A maximum of two (2) residence units may be credited for academic work completed at another university or in another division of Columbia University upon review and approval by the faculty.

After completing the appropriate number of residence units, students are required to register for extended residence for any term in which they hold a fellowship or university appointment or they are completing a degree requirement such as course work, qualifying examinations, or the defense of the dissertation.

Students who neither hold a fellowship or a university appointment nor are completing a degree requirement can satisfy the continuous registration matriculation and facilities, which allows them to make use of various university facilities. (Exception: A student may defend a dissertation or deposit an essay while registered for matriculation and facilities if registered for residence unit or extended residence in the immediately preceding term. However, any student holding a fellowship or university appointment must register for extended residence for that term.)


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