A posture held for years is a lesson. This essay asks what six hours of sitting teaches children about learning, attention and their own bodies, and why movement breaks are not the whole answer.
Nobody told the boy to walk along the ledge. The ledge did. James Gibson’s idea of affordances suggests that every classroom is already a lesson, whether we plan one or not.
A school can keep its playground on every register and still take it from children, one borrowed games period at a time. Why the ground matters for what a child is, not only for attention and marks.