I am starting a 3.5 year bsn program in the fall and I have a similar schedule to yours except I'm taking A & P 2, english comp, a history class, nursing freshman seminar, and intro to sociology. I'm planning to work around 16-20 hours a week because I know that studying is going to take up a lot of my time especially A & P 2. From what I've heard from others it's all about each person's preference, I talked to a lot of students in my program and some of them couldn't even fathom the thought of working while in nursing school. Unfortunately for many of us (myself included) that is not financially feasible. It's about seeing what's right for you and that could take some trial and error.