My kids have never taken the KBIT so I really don't know much about it or how it aligns with other IQ tests. I am wondering, though, whether his WISC score was a full scale IQ or general ability index. If speed or short term memory depressed his overall score, the publisher of the WISC supports calculating a GAI instead of a FSIQ. If you have the subtest scores before the meeting at least you can go into the meeting knowing whether you have good cause to request that they look at subtests over the composite number.
