I'm in 6th grade and I like this girl so much and I would do anything for her and we are not even friends she never talked to me I had this disease when I can back for 6th grade she was not concerned he was the only one who did not even say hi so I don't think she likes me so what can I do to even be friends

How do you like her and you have not even talked to her, you're not even friends? What about her do you like? You can't get someone to like you. They either like you or they don't