In the World, Poor Students Have Learned Equivalent to Three and a Half Years of Education Less than the Rich, Points Out Pisa

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The Pisa notes show a direct relationship between socioeconomic status and school performance worldwide. In the average of the countries and economies evaluated, the most favored students have 74 points more in Science than the poorest — a difference equivalent to about three and a half years of schooling. The same pattern appears in Reading, with a distance of 67 points, and in Mathematics, of 71. Therefore, the report of the Organisation for E…