The International English Center

The International English Center at the University of Colorado Boulder, part of the Division of Continuing Education, offers students a unique opportunity to learn English. Their intensive English as Second Language (ESL) programs are combined with orientation to university customs, academic preparation, and an introduction to life in the United States. Call (+1) 303-492-5547, email ieccu@colorado.edu, or visit https://www.colorado.edu/center/iec for enrollment information.

Now that you’ve selected your favorite Continuing Education courses, email or print the information, including class number, to more easily search Buff Portal and enroll. Still have questions? Contact an advisor.


Monday – Friday
7:30am to 4:30pm


The Continuing Education building is closed for the Summer 2021 semester. Staff are still available to assist you via phone, email or chat.


1505 University Avenue
University of Colorado Boulder
178 UCB
Boulder, Colorado