here are some effective strategies for dealing with difficult children in the classroom.
Try to avoid confrontations and power struggles by anticipating problem situations for the student; if the student engages in disruptive behavior, intervene at the first instance of the disruption.
evaluate the physical context of the classroom, such as where the difficult sits who sits near him or her, and so on for clues about reducing disruptive behavior.
minimize delay times between activities and standing in line, which gives a difficult child less time to be disruptive.