Document Number: 9626Does Participation in Pre-Primary Education Translate Into Better Learning Outcomes at School? - An analysis of PISA, an international standardized assessment of 15 year olds in 65 countries, revealed that, after accounting for differences in socioeconomic backgrounds, children who participated in early education programs scored an average of 33 points higher -- representing a gain of about one additional year of schooling -- than those who didn't enroll in such programs. The report found the strongest relationship between early education and better PISA performance in countries that offer early learning programs with small child-adult ratios, have higher per-child spending and enroll more children over a longer period of time. (OECD, February 2011)...
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