If you want to get her to kiss you, start with some mild flirting. Say you're texting with her throw a wink or a kiss emoji into the conversation casually. When you're hanging out with her, gently touch her arm at an opportune moment. If she pulls back, she may not be interested.
"I had a boyfriend briefly in high school, but the first girl I kissed was we kissed one final time my actual first kiss after so many attempts!