Over 270 million children are not enrolled in school today; that’s 21 million more than the year before. | Jeff Pachoud/AFP via Getty Images It’s back-to-school season and across the US, the aroma of freshly sharpened pencils, pumpkin spice everything, and ultra-processed pizza lunches is in the air. This story was first featured in the Future Perfect newsletter. Sign up here to explore the big, complicated problems the world faces and the most efficient ways to solve them. Sent twice a week. Sure, the Department of Education might be hanging on by a thread and teenagers keep bu...

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