BESTFRIEND????? hmmmm...?

UMMMM.....i have this best friend, mariah, and we have been friends for 15 years....we she came to my school and all this drama started, and then she just transffered without telling me! we dont even talk anymore and she doesnt want anyhing to do with me....her 15 is coming up and her mom sent us a letter saying that she wants a donation... we are going to do it cuz our family is really close to theirs its just that we arent....i miss her so much and i keep trying to get in contact with her! she doesnt wanna talk to me! everyone says that i shouldnt worry that we are gunna be friends again but i dont think it is true! what should i do????? is that EVER gunna happen?! i cryed for her! do u think she feels the same way??? me and her are exactly alike in soooooo many ways!