The Organization for Economic Cooperation and Development said tests taken last year by 15-year-olds in 91 countries and economies revealed a big drop in scores compared with a decade earlier.
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The Organization for Economic Cooperation and Development said tests taken last year by 15-year-olds in 91 countries and economies revealed a big drop in scores compared with a decade earlier.
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© 2026 Agentially - Navigating shifting sovereignties and global risk .
© 2026 Agentially - Navigating shifting sovereignties and global risk .