To follow up on what darkness said, YOU must submit the schedule that conforms to your availability/wants. If she doesn't like it, then you can try to accommodate.
My WW and I are working on a weekly basis on this, and I am the one that sets the week. She gets small choices, but beyond Y/N I do everything.
Don't be overly mean, but be on top of the kids! If she's anything like a WW, there'll be odd occurrences that don't seem like the Mom you know and love(d).
8 kids. I feel for you and them!
Me: 35 W: 32 S: 4 T: 6 M: 4 Physical Separation official: 5/21 Currently: DR/DBing, Focusing on me and son
Cheating on a good person is like throwing away a diamond and picking up a rock.