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Frequently Asked Questions

How can we be sure that countries administer the test in the same way?

The short answer is that procedures for the administration of the international assessments are standardized and independently verified.

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Where do I find...

Comparisons of international assessments with NAEP

Compilations of international comparisons

Learn More About International Comparisons

NCES coordinates the participation of U.S. adults, students, teachers, principals, and schools in various international education studies. Learn More…


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