I'm in a coffee shop when a young child dumps out his mother's bag in search of fruit snacks. The contents spill onto the table, bench and floor. It's a chaotic—but functional—solution to the problem.

For decades, researchers have documented an achievement gap between children from higher- and lower-income families. On average, children with more resources perform better in school and on cognitive ...

I’m in a coffee shop when a young child dumps out his mother’s bag in search of fruit snacks. The contents spill onto the table, bench and floor. It’s a chaotic – but functional – solution to the ...