What is a school appropriate joke?

it depends on the joke

Here you are... She was So Blonde That She...... 1. Took her new scarf back to the store because it was too tight. 2. Couldn't learn to water ski because she couldn't find a lake with a...

Well, it depends. Some schools suspend it, because it drifts kids away from learning, but others decide to leave it alone. For appropriate as in content, it is. All the Bandz have are animals, cars,...

in your hair then yes - anywhere else no.

i don't really know what you're asking, but maturity is always a good thing.