Do I need help and if I do who should i go to?

Heres the thing i have divoreced parents since i was like 7 years old and i have been fine all the way up until last year.first my mom had taken me away from my dad and i really hate her because she lies all the time and makes me do everthing and i mean everything.when i visited her over summer for a month and half she only cooked twice.it was either take out or fend for yourself. But now im living with my dad again but im not even remotley happy about it now. I used to be a straight "a" student and had perfect attendence but now im failing 3 of my 4 academic cles and was even put in intensive reading because of my bad grades.then i get home and my dad usually outside drinking beer with his buddies.but now its gotten to the point where its almost exactly like my mom he barley cooks and expects me to do everything like cooking,cleaning,take care of the animals. But on top of all that he is telling me i also need to get perfect attendence and straight "a" again while taking care of everything else. I amin the 8th grade and know parents expect greatness out of their kids but its to the extreme point where the stress has made me comtemplate suicide many times andmy friends are really worried. my dad is saying he is going to send me to a juvinile delinquent center for highschool.