Not too easy. Not too difficult.
Classes are large, unless you're in the honors college, where there are options for smaller class sizes. As a pre-medical student, UMD has one of the best pre-health advising offices on the east coast.
I don't mind going to a big school, because it's like the real world. There are no small classrooms in the real world - you have to be independent and make yourself known. Help will be there, but only if you seek it.
Hours per week:
Advice for students:
Honestly, I don't notice the class sizes anymore though, and it has never been a problem for me. Students who work to make themselves known will do so successfully. Professors are approachable at office hours and welcome questions then and also during lecture.