Teen Girls Plz Help me get an answer?

Ok theres this girl i like and shes in my 7th period cl, so we sometimes talk goin to 7th, and i sorta started to like her so i had to find something that would show im nice, so i found her bday was comin up so i bought her a heart necklace and earrings, when i gave it to her, she was so happy and gave me a hug and a thousand thank yous, and she said it was sweet of me to do it, then the next day she wore the necklace/earrings, but i ended up walkin her home, but the next day she was still happy and all, but i barly saw her, but wat i need help with, is there a chance she likes me because she wore the necklace, but i need an idea for askin her our, maybe i was thinkin new moon, but she already seen it with one of her gfs, so should i still try that, and is there any tips you could give me. thank you, if u need any more info to help me, email me at mightybutler209@yahoo.com thank you, ps, im 14 shes 15 il b 15 next mt, so an idea on a high schoolers budget plz thx