How to mantain your fluency in english ,even though there less educated people in my school? ... read details?

hi ppl, im studyin here in dubai for around 10 yrs. I hav to now study in india(chenni)to do my 11th.How to maintain my english, even if there are boyz who r less then me in english.This is somthin serious for my future . I ll apreciate if i have a good answer.Thank you!! ppl