LDmom, how did you prepare your kid for the achievement test like Explore.Is there any books or et that I can use? Thanks!
I just want to point out that when testing for these purposes, it's probably not a good idea to spend a lot of time preparing for the test. If you want to get a good idea of where your child' achievement really is, then don't prepare for the test, other than to familiarize the child with the types of questions, etc...
Besides, I doubt that your child will need much preparation!

By the way, the ACT website has sample test questions for each section of the Explore. I had my DD try each of the samples (and I timed her). That was the extent of our preparation.
Good luck! And DO apply to DYS. It's worth doing.