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Fairfax County Public Schools (FCPS)
Reply to "testing and overrepresentation of 99th percentiles here"
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[quote=Anonymous]Two total different 99 percentiles here, ppl. One is the NNAT, which sampled against nationwide data. 98 percentile nationwide NNAT is about 80 to 85 percentile in Fairfax county, so 99 percentile nationwide might very well be 90 to 95 percentile Fairfax county, which results in 650 to 1300 kids. As for the new Fairfax CogAT, it's sampled against Faitfax kids only, so only 130 kids 99 percentile CogAT. Look up in the threads, you can see amny claimed NNAT 99%, but not many 99% CogAT.[/quote]
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