Growing height at 15

[betaalanine]

Im 15 170cm/5'7 & 53kg/117lbs
Mom: 167cm
Dad: 175cm

I want to know how much i can potentially still grow and how can I maximize my final height without anything that requires pinning or surgery I know i need to gain more weight I have gone to the gym for 2 years i got decent muscle and im stronger that most people my age got low bodyfat (check picture)

 

[Glm6!]

Not much you can do with js parents numbers. Only for sure way to know is checking growth plates