Andreas Schleicher

German statistician

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Photo: re:publica from Germany, CC BY-SA 2.0 (Wikimedia Commons, cropped)

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Sep 9
OECD PISA 2025 study records global drop in student test scores as Greece and Germany lag benchmarks
The OECD released its 2025 PISA results covering 765,000 students across 91 countries on 8 September 2026, showing international declines in reading, mathematics, and science competencies.
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