Course Codes & Numbers

Here is your handy guide to understanding Summer Term courses. All courses are assigned a college and departmental code, a three-digit course number, and a section identifier.

For example, CAS EC 101S A1 means that the course is offered in the College of Arts & Sciences (CAS), by the Economics Department (EC). The course number 101 indicates it is an introductory course, the S indicates it is a summer course, and section A1 indicates it is offered in Summer 1.

Expand the following sections for information about codes commonly used at Boston University Summer Term.


Check to see all the important summer dates.

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Browse a complete listing of all our summer courses.

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See the answers to our most commonly asked questions.

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