Reply to How common is a math or reading MAP score at the 99th percentile in this area?

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Reply to "How common is a math or reading MAP score at the 99th percentile in this area?"

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]You don't seem to understand the use of "percentile." A 99th percentile score can't be "common" because it means the student is above the score of 99% of other students. So that can't be "common."[/quote]

You don't seem to understand the concept of uneven distribution. [/quote]

You still don't get it. You can't have a lot of kids in the 99th percentile, because, again, it means the students' score is above 99% of other kids. You can give everyone an A, you can give everyone a medal for participating, but you can't give everyone a 99th percentile score.[/quote]

You still don't get it.
The MAP percentiles are based on national norms. It is absolutely possible, and true, that more than 1% of kids around "here" are 99%ile nationally.

It's just like how, in a memory care facility, far more than 1% of the residents are in the 99%ile nationally for cognitive care needs. [/quote]

You are correct that this is possible (I’m a DP btw) but we do not have access to any data that proves the claim you are making or makes it clear that MCPS has many more children scoring 99th than elsewhere, and people saying it repeatedly on DCUM doesn’t make it true. The only evidence we have is the median score in the district compared with nationally and they are very similar. So you can speculate or you can look at the actual data. [/quote]

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