<p>The Common Data Set requests the specfic number of classes with undergrads enrolled in each of the following size categories:</p>
<p>2 - 9 students
10 - 19 students
20 - 29 students
30 - 39 students
40 - 49 students
50 - 99 students
100+ students</p>
<p>This would be the kind of information I would definitely look at when comparing schools.</p>