What kind of style is this? I need a new back to school style....?

[mMeJe'sgirlmtdot#1223t]

I am 15 years old, going to be a high school sophomore in the fall and I'm looking to change my style. I'm not really sure what it would be called but it is similar to this.

http://www.bagsvision.com/wp-content/uploads/2009/05/selena-gomez-and-her-coach-handbag.png

http://media.photobucket.com/image/selena%20gomez%20style/fashionunder100/selena-3.jpg

http://www.stylebakeryteen.com/images/SelenaGomezchic.jpg

Please make outfits for me or give me store idea, and please post links.