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Advantage of holding kids back

Name: Advantage of holding kids back
Uploaded: 2012-03-04T11:00:00-0500
Duration: 1 min 47 s
Description: Data analysis by economist Elizabeth Dhuey supports the idea that the older students in a particular grade gain and maintain an advantage throughout school.

Data analysis by economist Elizabeth Dhuey supports the idea that the older students in a particular grade gain and maintain an advantage throughout school.