I'm with blykins on the "spare the rod" bit. Used to be in school if one was
disrupting the class he got sent to the P.E. instructor who got out his 2' long
wood paddle with holes drilled in it - you bent over and grabbed your
ankles and got whacked. Very few went back for a second dose.
Guys would come back with tears in their eyes and were very quiet.
I can just imagine what would happen now if that were tried.