So the DAS-II really doesn't have an adaptive cluster or subtest that feeds into the overall composite, but it is often administered with the ABAS-3 (Adaptive Behavior Assessment System); you may actually be looking at results from a different test, just reported in combination with the DAS-II. Or it could be that the examiner is describing nonverbal reasoning as the ability to think adaptively and flexibly.
Another thought I had was that sometimes very high cognitive children who are age five are better able to show the full range of their skills when administered the school-age form of the DAS-II, rather than the standard early years form. (Five-year-olds can take either version, but the default is the preschool version.) We don't know which version was administered in this case.
Your educational placement decisions will be based on many aspects of his development and your family values. Also--and feel free not to respond to this question if you prefer--the depth of the school district evaluation suggests to me that he was receiving preschool support services for something (since this goes well beyond a typical kindergarten screening). If there are any delays in any area, including social or behavioral domains, those factors will need to be considered as well. Academics are not the only learning demands in school.
