I [15m] have been friend zoned by [15f] and I need help escaping it.

I have been great friends with this girl for over two years and we have been flirting often the past few weeks. I have liked her for months and the other day I finally came out and told her how I felt. She then friendzoned me and said it was because she wasn't looking for love or a relationship (not sure if that is true). Is there anyway to try to get her to see me as more then a friend and start dating?

TL;DR- Friends for 2 years, tell girl I like her, she says she wants to stay friends, I still want to be more then friends (start dating)