Ok im 5'11 15 and i wear size 14 shoe am i gonna grow alot taller and how tall i hope i do cause i play bball

Most guys stop growing between 16 & 18 y/o. I can't say for sure at what age you will stop but you have at least one more year and maybe 3. My sister's son stopped at 18. Maybe you will grow until you are 18 also.