This teacher says to his class and says, 'I will ask you a question, if you get it right, I will let you go home, if you get it wrong you all get detention.
Right, the first question is how many liters of water are there in the pacific ocean?'
No one knew so they all got detention.
The next day the teacher said, 'Same rules apply as yesterday now how many grains of sand are there on Yarmouth beach?'
No one knew so they all got detention.
Then the next day some one brought a box of Maltesers.
As the teacher was about to tell the joke, the boy threw the Maltesers on the floor.
The teacher said, 'Ok who's the comedian with the brown balls?'
Some one shouted, 'Lenny Henry!'
Next Joke: It was the last day of school kids bring in candy stuff like that