Academic Poll: Mind Like a Steel… Thingy

Today is the first day of Spring term classes, which means there’s one obvious question to ask:

What am I forgetting?

I’ve spent the last few days alternating baby duty with frantic class prep, and I think I’ve got everything ready. I’m bound to be forgetting something, though. So what is it? What’s the thing I forgot to do that’s going to lead to a mad scramble just before the class starts at 10:30?