is she that great?

I wonder.some girls from B trys to borrow calculater from A..that bastard ****** ask the whole class B 'CLASS,some duno what class wants to borrow calculator' her tone was so proud.i wass pissed by the word duno what class.So what she is from A? who giv her the right to call someone duno what class its very rude.My mind rank of her is negative.