Wow! That is some story.. to just have gone to do the test like that. I am really glad he did a good job even it was later in the day, and now you are certainly more "enlightened". Even if you continue to homeschool, knowing what he is capable of will be useful.

Again, you might look into the Young Scholars Program. Dd just got accepted, so we haven't been "inside" yet, but I understand that you could connect with other families of very gifted kids who are also homeschooling.