It was the first week of school and she was already being asked out!if this is in 3rd person (with christian as the narrator) then the reader wouldn't know this, because we don't know what Christy-Ann is thinking. Now maybe you ment for Christian to think this, but it sounds like she is thinking this because she's excited. i suggest just taking this line out.
also "she too was a senior, and happened to be in none of Christian's classes" it should be but happened, or yet happened, or however was in none of christians classes, or else the oddness of them not having any classes together- even though they are in the same grade- will be lost.
this is good, not too sappy or cliché like alot of teen romance stories are (by the way i suggest avoiding those two things at ALL costs in your later chapters). good luck!
