Welcome!
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The best information may come from your child's tester, who prepared the score report. For example, s/he may have observed something during testing which may have impacted your child's scores and which would be unique to your child.
If parents wish to read up on a little background information to have a bit of foundation for understanding the test score report and preparing for a meaningful discussion with the tester about their child's score report, here are a few ideas and resources to begin with...
http://giftedissues.davidsongifted.org/BB/ubbthreads.php/topics/182871.html#Post182871
