Teachers' hell, indeed! But it would make a great setting for a children's book - all the jolly mischief that the children get up to when trapped at school.

I was in a school last year when a few flakes of snow fell. The children were hyper, but the teachers were even worse. "OOoh! Oooh! We might be able to go home early!" they were exclaiming, leaping around the staffroom in hopeful glee.