Need some advice

Hello Nursing community,

I wanted to get a little advice on what I should do. My education is basicly paid, but thats if I maintain a competitive gpa, at least a 3.0. I have been working toward becoming a Nurse for sometime now. I have experienced a lot of up and downs in my life. I have been working in a hospital for almost 3 years. I don't really enjoy just being a CNA. I really want to do more in healthcare. I want to become a Nurse. I have been working towards my Bachelors degree for a while. I also have a program that is paying my way through school. I just have to maintain my grades. I work only one time a week, but I have six kids at home. I care for them myself, it has been a challenge to do this. I really have eight children, one of my oldest daugthers lives with me. I really don't have to worry about babysitting, because my daughter has help me out so much. All my kids want a better life and they know that I want my education so bad. Well here it goes, I work tomorrow and I have an A and P exam Monday The program told me that I must get a least an A or B in this class. Mentally I really have to study for this exam. I am taking it in the summer so we have about four weeks left in the class. I want to do well. Everyone know with Anatomy and Physiology you have to study constantly. I have to study to maintain my grades. I really want to just study tomorrow. I don't want to go in to work, because I know working a twelve hour shift I will not have the power to study. If I don't get good grades my program will no longer give me the support to get my BSN. What would you do???????