UMD is divided into 14 Colleges and Schools, of which the College of Arts & Humanities, College of Behavioral & Social Sciences, and College of Computer, Mathematical & Natural Sciences may be of most interest to UC students. These Colleges offer courses in many disciplines, but other colleges or schools are open to exchange students as well. In general, students should not expect to take more than 2 or 3 classes in one department. Departments with high enrollment/limited class size courses are Biological & Environmental Sciences, Communication, Computer Science, Crimionology, Economics (Economics majors do have priority here), Government & Politics, Journalism and Psychology. If you want to take courses from these department, you need to be very flexible in your course choice because registration is not guaranteed.
Apart from this, UCU has an agreement with the UMD Honors Program. This means that you can also take honors courses: courses with a smaller class size, a large amount of participation, extra debates, etcetera. Information on the Honors College can be found here. Honors students take a mix of honors courses and ‘regular’ courses.
The list of courses available each term can be found on the Testudo website.