No extended norms on the WAIS-IV. This is the adult version of the test, which we don't see frequently here.
Yes. Your child is a very bright kid. I can look up his scores tomorrow, but for now, I'll suggest some resources on organization and EF:
Peg Dawson, "Smart but Scattered for Teens"
https://www.amazon.com/Smart-but-Scattered-Teens-Executive/dp/1609182294/Joyce Cooper-Kahn, "Late, Lost, and Unprepared"
https://www.amazon.com/Late-Lost-Unprepared-Executive-Functioning/dp/1890627844/Joshua Langberg, "HOPS (Homework, Organization, and Planning Skills Interventions)"
https://nasp.inreachce.com/Details?&groupId=4855787c-7a1e-47d7-94cb-9e9aa942c495
