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View our work on COVID-19 vaccinationsLearning outcomes, minimum vs advanced achievement, 2015
Proportion of students achieving advanced and minimum proficiency benchmarks. Achievement outcomes come from standardized, psychometrically-robust
international and regional tests. In order to maximize coverage by country, tests have been harmonized and pooled across subjects (math, reading, science) and levels
(primary and secondary education). See source for details on proficiency benchmarks.
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1970
2015