This is a counter story thing to the DOWN WITH EDUCATION chapter.

You are in class, having a normal, boring day. Suddenly, there is a broken up voice over the loudspeaker.  I claims it has taken down the principal and will do the same to the school. Your teacher's eyes grow wide.
  "Trolls!" He exclaims. Just then, a group of nasty beasts that are tall and hunched with massive over bites attack your classroom. Time to fight. You...

(Pi-Master, thanks for the idea)