I'm skimming this, but from what I see, I wouldn't take your kids back a day late. Get them there in time for school. If you don't, it show lack of responsibility, which doesn't help you.

As far as your W's b-day, I'd do nothing.

M:44 W:42
M:15
S:19, D:16, S:14, D:12, S:6
BD: 2/14/11
D Final: 6/25/13