For freshmen girls?

Im 14 and there is this grl i am crazy about. she can make me laugh and i can 2 her. we are always smiling buyt i think we are frends and thatsall it is. i dont want it 2 b like his but i dont wanna ruin our frend relationship. im not that good with grls anyways. so if any1 can help me out on wut to do, cuz i dont think she likes me but wut can i do that would make her notice me??? anything would help