WIY:
So what type of child are you suggesting to throw out?
a) The one who sells drugs
b) the one who gets Gimmels (or even fails), and sits out seder for 30 minutes (of a three hour seder) drinking coffee
c) the one that was found with a cell phone (Kosher) in class
d) The one found on the street talking to his sister (CV)
You talk about “bad” students, and then leave it undefined. Please define a “bad” student.