The Adventure of Carrie the Brain Cell

Do you ever wonder what happened to Mme. Bustier's class' brain cells? Sure, they weren't the smartest, to begin with, but they weren't that dumb. How did they go from slightly below average to believe that throwing a balled-up napkin at someone's eye while that person is wearing glasses will damage said eye?

Here you go, the story of the class' descent into undiscovered levels of stupidness through the brain cells' point of view!