Sorry to hear that you went through bad parenthood. So did i by my Nan, who fostered me, and my actual mother was just not helping, she would tell her sons not to go to school. I failed all my GCSES and had a 50% attendance record in year 11, which is the year that mattered. I did well when i was with my grandmother i was C graded in most of my subjects, but by the time year 11 came i was a E grader. Look out for your best interests, although input from family matters.