Experience x School Interaction

Though I've only been at KU for just over 1 semester, I often find myself getting bored in my classes that are cross-listed as undergraduate courses (with the exception of Quant Psych courses).  It feels like we move ridiculously slow through the material, and, for one class in particular this semester, we rehash everything from the last class before moving on.  We stay on topics for longer than I feel is necessary, and the assignments are rarely challenging for me.  My first thought was that this boredom was due to just being older than (and therefore having more experience than) most of the undergraduates. However, since I've been trained as a social scientist, I realized there could be a confounding variable, or at least another explanatory variable, influencing my sense of boredom.
I came up with a promising one: type of educational institution.  DePauw is a small liberal arts school with relatively strict academic admission requirements, and it is also quite expensive.  Because of one or both of these factors, most of the students that attend DePauw are there to learn, and they take it seriously.  DePauw also has smaller class sizes and is on a smaller campus located in a very small Indiana town.  Athletes participate in division III NCAA sports.  Taking all of these factors into consideration, it shouldn't be surprising that classes at DePauw are fast-paced and set up to challenge students.  In contrast, KU is a large state school that is much less expensive than DePauw.  KU participates in division I athletics (think basketball), and the school is located in a decent-sized town in Kansas.  Students are not required to live on campus and many commute from nearby cities.  Students attending KU have a much wider range of educational and professional experiences.  Professors at KU must take this into account when teaching courses.  As in many public grade schools, when instructors must work with students on a widespread continuum of prior knowledge, the students who are better at motivating themselves to learn or who are accustomed to more rigorous academic requirements often feel unchallenged by the material and may become bored. 
Then there is always the potential interaction of experience (age) and school (size, type, etc).  Nothing is ever "that simple".