Runaway 15 year old where can i go?

im 15 i live in knoxville TN and i cant stand my parents anymore. now they have pushed me too far so im going to run away, very soon. i know im going to get a bunch of sappy 'your going to ruin your life' and 'you dont know what its like out there' but ive made up my mind and theres no changing it because theres no changing my parents. i heard that it is leagal to be a runaway teen in calafornia is this true? also what should i bring,should i tell anyone, and any other advise youve got. please no stupid responces.