How has student performance evolved over time?
OECD. Organisation for Economic Cooperation and Development
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Improvement in PISA performance is not related to geography, national wealth or culture. In most cases, the countries that show significant improvement in PISA performance – Brazil, Germany, Greece, Italy, Mexico, Tunisia and Turkey – are those that manage to reduce the proportion of low-achieving students. Even over time, excellence and equity in education are not mutually exclusive goals, as the improvements in Germany, Italy, Mexico, Tunisia and Turkey demonstrate.