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Results of the Programme for International Student Assessment (PISA) released last week by the Paris-based Organisation for Economic Co-operation and Development showed the lowest average ever recorded in math and reading in the history of the assessment. “Across the OECD, one in five 15-year-old students is now a low performer in science, mathematics and reading, up from 16% in 2022,” the organization said of its largest assessment to date, involving 760,000 students across 91 countries and economies. While this edition’s focus on science showed stable average performance between 2022 and 2025, “average reading scores fell by 28 points across OECD countries between 2015 and 2025, equivalent to about one and a half years of learning. Mathematics scores fell by 22 points, equivalent to just over one year of learning.”
Not all jurisdictions were dismal, however. “The highest performers in PISA 2025 across these three domains were the Chinese jurisdictions of Beijing, Shanghai, Jiangsu and Zhejiang, and Singapore,” said the OECD. “Additionally, Estonia, Japan, Korea, Macao (China), Chinese Taipei and the United Kingdom were among the top 10 performing education systems.”
Find out more about historical results of PISA. Or download the complete data sets.
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