TEACHER: Glenn, how do you spell ‘crocodile?’

GLENN: K-R-O-K-O-D-I-A-L’

TEACHER: No, that’s wrong 

GLENN: Maybe it is wrong, but you asked me how I spell it.

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TEACHER: Donald, what is the chemical formula for water? 

DONALD: H I J K L M N O.

TEACHER: What are you talking about? 

DONALD: Yesterday you said it’s H to O.

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TEACHER: Winnie, name one important thing we have today that we didn’t have ten years ago. 

WINNIE: Me!

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TEACHER: Glen, why do you always get so dirty? 

GLEN: Well, I’m a lot closer to the ground than you are.