I need help im left out????!!!!?

I was never liked at this school called Hooper elementary, and I went there from 2,3,4 grade then left for 5 now im back in 6 I have the best teacher ever that cares but there is this girl her name is Kelsey she always gets called on to help the teacher and is very athletic and pretty but I try to talk to her but when im talking she will listen then start a conversation with whomever she sits by she is so much better than me i feel so stupind im a dumb brown hair girl that no one likes and i envy a pretty blonde girl any advice????