<https://www.boxoutbullying.com/the-4-rules-of-handling-difficult-students/>
<http://schema.org/description>
"If you’re like most teachers, you've found that 80% of all misbehaviors in your classroom setting come from 20% of your students. If only those difficult"
<https://www.boxoutbullying.com/the-4-rules-of-handling-difficult-students/>