A more recent justification was to remove the chance for rich children to "look different" to poor children -- everyone is equal by wearing the same. Of course

A more recent justification was to remove the chance for rich children to "look different" to poor children -- everyone is equal by wearing the same. Of course, it doesn't work that way -- the poor children have second-hand clothes or the cheapest clothes from Asda, and the rich children will spend money on whatever they can -- fancy shoes etc.