Thanks Elizabeth. I do have achievement scores, for the WIAT-III they are

Oral Language- 149 greater than the 99.9 percentile
Written Expression- 133 99th percentile
Mathematics- 157, greater than the 99.9 percentile
Total Achievement- 150, greater than the 99.9 percentile

DD6- DYS
Homeschooling on a remote island at the edge of the world.