Ok umm so i hav a questiun? anser plzzz.?

okk so im in da eith grayd at mah skool an im jus kinduh pist of, u no wen ppl tink ur rely stuped? yah dat hapens to me an it rly boters me cuzz im not stuped i get ok grads i mite fale 1 or 2 tims but im a gud studint. im prety to so i dont get wy ppl wud say tings bout me lyk dis. cuz i dont deserv it. deyre da wons hoo r guna hav to do losur stuf lyk be a doctur. yah wen deyre a doctur ima be a singur. i luv to sing im in da chores at mah skool an mah techer says im a good singur so i must be. so dat meens i aint stoopid ok! so how do i tel dese ppl dat im not stupid. ty :)))