What happened to in-school suspension? Disruptive students were sent to a classroom where they did their assignments under the supervision of a large, stern, male teacher. Has that been declared unconstitutional?
Compared to that, giving a student a worksheet they don't understand how to do is a poor substitute.
In the olden days you had them wear a cone for a dunce cap and set them in a corner for about 30 minutes. The “shame” of having a dunce cap used to work.