I have seen many classrooms full of students who are engaged in an activity, but don't necessarily master any skills. (edutopia.org)
Nor does this spatial notion do more justice to the individuals that make up a nation — or those that make up a more modest classroom full of students. (religion-online.org)
I love the idea of classrooms full of students walking / dancing / slithering / marching / sauntering / sneaking and otherwise crossing the room. (spellingcity.com)