You may be able to have a graduate student at the university do the testing on your child as well. They are typically overseen by a professor and the cost is generally minimal.

From your post it certainly sounds like you're dealing with a GT child. Lucky you to be so close to Davidson if it turns out that he qualifies.

Shari
Mom to DS 10, DS 11, DS 13
Ability doesn't make us, Choices do!