My parents are abusive i need a way out?

my only excape was school till summer ive ran away 17 times the longest was 3 weeks ive tryed to go to the police but my parents lie to get out of it ive tryed moving out but im only 14 the best job i could get at 14 was at a thrift store that payed me 500 every 2 weaks witch was not enough for me to live on i need to get away