B.L.
All you really need to do is read books to her that are appropriate for her age. If you're doing that, then she should know the colors, shapes, basic counting, and hopefully the letters and numbers. They go over all that in K anyway, but she ought to know it before hand. It's really not a big deal. If you think about it, there are plenty of parents out there who don't care at all, so you're going to be way ahead of that.