PLEASE GIRLS i would really like your help, is she still interested in me?

so im a sophomore in highschool and i like this girl that i have known since freshman year. at the beginning of the year she would always talk to me and would always say things that were obvious signs that she liked me and i would walk her to her classes and we would eat lunch together, but now i feel like we don't talk as much anymore. more recently when we're in our group of friends she has been ignoring me like she is annoyed by me although she continues to ask me to walk her to class and to talk to her when we're alone. everyone in our group knows that we like eachother and and she knows that they know, so does it make sense for her to hide her feelings more? if a girl has liked a boy for a long time, do they become better at hiding their feelings? also could she still be interested just not showing as much anymore? also when we're at school we will walk together most of the time and talk a lot but after school we both have practice for track and field and she will always hang out with her friend that doesn't know me that well and that doesn't know that my friend likes me, so whenever we pass by at practice we never say anything to eachother, but the next day at school she will talk about how she saw me at practice as if we didn't ignore eachother. do you think she is trying to hide her feelings in front of her friend or does she really not like me? we've never really text a lot, but when she can't find our group at school she will always text me first. also to everyone else she is a super nice friend to everyone because she is so helpful and kind and sharing, but to me only she playfully makes jokes about me that she wouldn't for anyone else although i know shes kidding because she always laughs and smiles when she does. she loves when i bring her candy, but if i accidentally ignore her she gets annoyed by me for the rest of the day, and i really love talking to her and she tells me stories almost everyday. it really just confuses me why she doesn't talk to me during practice, so if anyone has an explanation for that, that would be great, as well as answer the other questions above.