It would be awesome idea to stand around in a large circle at school chanting "FIGHT! FIGHT! FIGHT!" and in the middle of it would be a rock, paper and scissors.
Telling a child to sit in the corner and think about what they've done is not a punishment: all it does is give the child time to come up with a better plan for next time.
If you suspect someone has the power to read minds, then just play Never Gonna Give You Up in your head so they will get Rick-Rolled trying to read your thoughts.