Does money buy strong performance in PISA?
OECD. Organisation for Economic Cooperation and Development
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Greater national wealth or higher expenditure on education does not guarantee better student performance. Among high-income economies, the amount spent on education is less important than how those resources are used. Successful school systems in high-income economies tend to prioritise the quality of teachers over the size of classes. School systems that perform well in PISA believe that all students can achieve, and give them the opportunity to do so.