OECD Finds Students Who Use AI Chatbots Daily Score Far Worse on Tests
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An OECD report links the daily use of AI tools for schoolwork with significantly lower results in science, but also identifies benefits when students use technology with moderation and critical thinking.
On September 8, 2026, the OECD published its PISA 2025 survey, including an unpublished statistical table, the first to measure the school use of general AI. 760,000 students, spread across 91 countries. The PISA 2025 report, unveiled on Tuesday, September 8, 2026 by the OECD, immediately became the headlines throughout the world.
OECD Finds Students Who Use AI Chatbots Daily Score Far Worse on Tests
OECD's PISA 2025 report, based on over 760,000 students across 91 countries, found daily AI chatbot users score up to 30 points lower on science tests than peers who rarely use the tools, a gap equal to about a year and a half of teaching. The data also shows students taught to critically assess AI output outperformed those who weren't, complicating the simple story.
Students avoiding AI for schoolwork outscore peers in science: OECD
Fifteen-year-olds reporting they never or almost never used artificial intelligence (AI) for schoolwork outscored their AI-using peers in science on nearly every type of task, except for utilizing AI as a general study aid, according to the PISA result conducted by the OECD.
Half of Portuguese 15-year-old students use artificial intelligence every week for schoolwork. However, PISA data shows that this resource does not translate into better performance.
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