It's not enough to be able to spell "magnificence" in your bedroom. You have to be able to spell it at the microphone during the spelling bee.
The teacher can always tell when you did your homework on the bus.
Don't say "The last one there is a rotten egg": unless you're absolutely sure there's a slow kid behind you.
They'll remember you if you're the best reader in class-or if you throw up at lunch.
Ten minutes is short if it's a recess and long if it's a punishment.
Before you trade sandwiches, check between the bread.