[quote=@TheUnknowable]
[quote=@VKAllen]
Eeeyyy!!! Shikamaru!
[/quote]
yup, my favorite Naruto character.

Just out of curiosity, why is there a 20 year old student?  Was she held back?
[/quote]

She's sent to the Academy to nurture her abilities. As for education itself, she is already educated.

Although she has the personality of a very childish girl (that has its own reasons).