"It's not enough to have a dream", reads a banner over the whiteboard in Nancy Sarmiento's Baltimore classroom. Most of her 12-year-old pupils qualify for a free or cheap lunch. About 70% of the school's new arrivals last September had reading and mathematical skills below the minimum expected for their grade. Americans call such schools "disadvantaged". Whatever the label, most countries have schools where most children are from poor families, expectations are low, and teachers are hard to recruit. And in most, the falling prestige of the teaching profession makes matters worse.
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