What do i do! im having so many family problems im just about to run away?

my parents are always puttin me down about every thing. they tell me i suck they tell me im worthless and a slob so then i started hanging out with a bunch of friends who are 18 and they started getting mad about that. me and my mom have been argueing and its been making me slack in my work at school so now im failing 3 cles then my mom got mad about me not looking somethin up for her so now shes tellin me i cant go to this place i really want to go to....im about to leave here what should i do