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Figure 7-1.  Percentage distribution of 15-year-old students across proficiency levels in reading, mathematics, and science literacy, by country: 2012

Percentage distribution of 15-year-old students across proficiency levels in reading, mathematics, and science literacy, by country: 2012

# Rounds to zero.
NOTE: PISA scores are reported on a scale from 0 to 1,000, with the scale average fixed at 500 and the standard deviation fixed at 100. See the "Definitions and Methodology" section of Indicator 7 for specific score cutpoints at each proficiency level for each subject. Proficiency levels define student performance along a continuum, with level 1 or below indicative of the lowest performing students and levels 5 and 6 being indicative of the highest performing students. Detail may not sum to totals due to rounding.
SOURCE: Organization for Economic Cooperation and Development, Program for International Student Assessment (PISA), 2012.