Bad Jokes, installment 2

Yes, it's time for more bad humor! It seems my readers (yes, i think I have at least two now! :P) deem them punny, and who am I to deny them more?

How many English teachers does it take to screw in a lightbulb?

None, they just tell their AP students it's extra credit!

Sadly, that's all for today, but fear not! I post viola/blonde/etc. jokes separately, so check back soon.