"The relationship between you and your students is complex and dynamic. No matter what grade level you teach, at any moment you could be clarifying content, reinforcing a classroom process, modeling curiosity, or giving a pep talk. This kind of constant change is second-nature to most educators; urgent, persistent, and intense shifting of roles is not only common in K-20 classrooms, but is likely proof that you’re doing something right. Sometimes, however, in spite of all that you try, for about 1/3 of the class you just can’t produce the learning results you’re looking for and they deserve. All the literacy strategies and pep talks and second chances continue to produce the same mediocre results."