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by em-bee 2639 days ago
we can probably argue about the exact age ranges (maybe follow the schools age-ranges: preschool/kindergarten, primary school, middle school, high school all sound like good age groupings).

but the concept is good. younger kids can learn from older ones. older kids internalize the material by helping younger ones.

and it turns out that this model is already proven too: it's applied in montessori, and it's practiced in scouting as well.