I'd look at getting an individual IQ test if you can afford it. The CogAT is not an IQ test and highly gifted kids can get scores that do not correlate well with their IQs on group tests. The CogAT correlates well with IQ for avg kids, but your kid is presumably not avg. Anecdotally, our younger dd (age 8) came out right at one SD above the mean on the CogAT (Composite score in the mid 80s percentile wise). On IQ tests, she is highly gifted or possibly profoundly gifted (99th-99.9th percentile). We are waiting on her current testing to know for sure where she falls.
