Are they being unfair or is it just me im i right to feel like this?

My parents are supper protective and i think its so mess up how they sometimes tell me because im a girl.Also i dont ask for much im 15 and i want to go to the cinema with my friends.Im not a bad kid i get a and b on advanced and honors cles i play badminton i get to school at 7 and most of the time dont leave until 5 i get home and study and do my homework that all i do.On weekends im not allowed to go anywhere just to neighborhood fuctions and church on sunday.I have this one cousin that is 11 and get on my last nerve but she no innocent 11 year old and shhe is contanly trying to pick a fight with me i can never tell her anything because my mom threats me . Im so sick of everyone when im 18 im moving out and there like if you do for get it because were not paying anything so i said i dont care so im praying i get a scholarship so i can leave whyen im 18 im i wrong to feel this way