Classes that currently are not tracked such as required Social Sciences courses provide an insight into a non-tracked system and a real world scenario. In the typical United States History course, there are students who want to learn and those who do not. The students who want to learn are hindered by the antics of others in their class. Instead of being challenged, they are plagued by arduous work that provides no additional insight into the subject matter. They have to cater to the student who forgets a pencil daily, or the one who refuses to work because it is stupid.
Motivated students are hindered by the it is stupid remarks.
They sit in class, waiting for something exciting to happen. But it does not happen. In an effort to promote cooperative learning, a teacher assigns group work. In mixed classes come mixed groups. Motivated students, who work hard at every subject, lead the groups.