this post was submitted on 04 Feb 2024
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Isn't this driven by grouping children by age? I.e. a kid born 6 months before the school year will have a developmental advantage over the other kids in the same group. If so, the title could be changed to: using age to group children creates unfair differences in competencies.
Yup, and this is not new information. i've seen studies about this effect for at least a decade, probably more like 2 but time flies now