The Organization for Economic Cooperation and Development(OECD) released the results of its 2015 global rankings on student performance in math, reading and science on the Program for International Student Assessment(PISA). The PISA is given worldwide every three years and measures 15-year-olds in 72 countries and education systems.
The results raise questions about the global competitiveness of the U.S. educational system. Students were tested on their critical thinking skills and problem solving capabilities as well as their proficiency in core subjects. Students have to apply real-world knowledge.
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