Scientific consensus contradicts this claim.

What's still open

What the evidence found 3 findings
Based on 15 sources:
PMC - NIH peer-reviewed View
Science Direct peer-reviewed View
ResearchGate peer-reviewed View
PMC peer-reviewed View
American Enterprise Institute institutional View
OECD institutional View
PubMed peer-reviewed View
National Geographic news View
PMC peer-reviewed View
NBC News news View
UNESCO Global Education Monitoring Report institutional View
DiVA Portal Academic Database peer-reviewed View
PMC/NCBI peer-reviewed View
Harvard Center on the Developing Child institutional View
Nature peer-reviewed View
Based on 13 sources:
Harvard Gazette institutional View
Parent Circle Magazine blog View
Fordham Institute institutional View
TIMSS 2019 International Results in Mathematics and Science, International Association for the Evaluation of Educational Achievement (IEA) institutional
TIMSS 2023 institutional View
PMC/NCBI peer-reviewed View
BSRLM institutional View
PMC peer-reviewed View
JSTOR peer-reviewed View
ResearchGate institutional View
PMC peer-reviewed View
American Economic Association peer-reviewed View
Stanford Education institutional View
Based on 14 sources:
Carnegie Mellon University institutional View
ScienceDirect peer-reviewed View
PMC peer-reviewed View
PubMed peer-reviewed View
ResearchGate peer-reviewed View
PMC peer-reviewed View
PMC peer-reviewed View
MDPI peer-reviewed View
Quizlet unknown View
PMC - NIH peer-reviewed View
ResearchGate peer-reviewed View
PMC - NIH peer-reviewed View
PMC/NIH peer-reviewed View
PMC/NIH peer-reviewed View
What research hasn't answered 3 gaps
PMC - NIH peer-reviewed View
Science Direct peer-reviewed View
ResearchGate peer-reviewed View
PMC peer-reviewed View
American Enterprise Institute institutional View
PMC - NIH peer-reviewed View
Science Direct peer-reviewed View
ResearchGate peer-reviewed View
PMC peer-reviewed View
American Enterprise Institute institutional View
PMC - NIH peer-reviewed View
Science Direct peer-reviewed View
ResearchGate peer-reviewed View
PMC peer-reviewed View
American Enterprise Institute institutional View
Sources 21 findings
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argumentation Unknown
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argumentation Unknown
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Generated by reaso.ai's editorial pipeline: claim restated, scientific consensus classified via 3-run majority vote, 21 findings enriched with attribution and study type, narrative written in neutral voice. No individual researcher has signed off on this specific analysis — see methodology for how the pipeline works. Built with Claude Sonnet by Anthropic. Updated April 16, 2026. How we do this →

Written by AI. Sources are linked for verification.