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Fairfax County Public Schools (FCPS)
Reply to "Are this year's CogAT scores age-adjusted or not?"
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[quote=Anonymous][quote=Anonymous]this year we have so many parents shocked by their kids's scores?[/quote] Because they don't understand that the NNAT last year and the CogAT this year have total different percentile base. Last year's NNAT percentile is based on nationwide data. The traditional nationwide percentile of 98% cutoff results in about 18-19% FCPS kids into the pool, so basically the nationwide 98 percentile is about 80%-85% FCPS percentile, give or take. NNAT 99 nationwide percentile probably translates into CogAT 90 FCPS percentile, give or take. This is more an estimate based on the historical data, take it or leave it.[/quote]
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