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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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G-20 Indicators Report
Comparative Indicators of Education in the United States and Other G-20 Countries: 2015 is a comparison of the education system in the United States with those in the other Group of 20 (G-20) countries.
TIMSS 2015 Report
Highlights from TIMSS and TIMSS Advanced 2015 examines the performance of U.S. students in mathematics and science relative to their peers in other countries, and includes changes in achievement since 2011 and 1995.
PISA 2015 Report
The First Look at PISA 2015 report provides international comparisons of student performance in science, reading, and mathematics literacy from the PISA 2015 assessment.
PIAAC Prison Report
Highlights from the U.S. PIAAC Survey of Incarcerated Adults examines the skills of incarcerated adults in relationship to their work experiences and to their education and training in prison.
International Data Explorer
Create your own analyses and explore the results from international studies... Check out the new TALIS data explorer!
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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Highlights from TIMSS