My parents REALLY P*ss me off..?

Like really. They're the most annoying people and their views on life and morals are just f*cked up. I'm 15 and they don't know I'm gay and to be honest, I don't give a sh*t about their opinion. Sometimes my grandparents mean more to me than my parents. Of course I still love my mum unconditionlly but she follows the principals of my (step father) who is a TOTAL @sshole! He is a racist, bigot, , must the list go on: He hates anyone who isn't from this country and his reasons are illegitimate. Can anyone else relate, by disliking their parents? I don't know what to do, they're SO ANNOYING! They P*ss me off majorly, and don't even know. I just tend to walk off these days. Ughhhhhhhhhhhhhh, I can't wait to get out this house! And yes, this was partly a rant (: