Bi-curious

okay so I need advice this year in 7th grade i was completely straight intill this girl joined my p.e class she was amazing and perfect in every way and I don't know what I felt but it was something and eventually we became friends and she told me that she liked me back and I really wanted to be with her but I dont know like I was known around the whole school and I didn't want to come out I was scared people were gonna think differently of me especially my friends and i dont know what to do, I need help