From time to time teachers must get a little annoyed with continually marking incorrect answers, particularly when the student in question has tried to be clever.
So understandably, they return the favour with a little funny of their own - or just go totally nuts.
From Teenage Mutant Ninja Turtles to giraffes, they've seen it all. We've gathered some of the best but if you think we've missed one out, let us know and we'll add it in.
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