Huge spoilers for prom episode from @NicoleCrowther. View at your own risk! (It doesn't look like it's been posted here yet. Apologies if I'm wrong)
And then she got fired:
tl;dr -- Kurt (K) becomes Prom Queen and Dave Karofsky (KA) becomes Prom King. Speculation ranges from prank to legitimacy in terms of how they are elected/nominated. WHO KNOWS! This girl has never been wrong yet. Unfortunately, she's fired. :c
Source:
http://ohnotheydidnt.livejournal.com/58439771.html