Honestly, includes peripherals. USB storage devices at a minimum.

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Either it’s bad enough to ban and should be immediately banned, or it isn’t really that bad and shouldn’t be banned.

A dirt path, fine and great. Sounds nice for summertime.

Lot of schools aren’t in a warm climate.

Those paths become unusable in winter, a muddy (unusable) slop when it rains or when the snow melts.

Muddy paths lead to wet socks and dirty shoes at best, and at worst, you slip and get covered.