This indicator refers to the percentage of students aged between 15 years and 3 months and 16 years and 2 months with level 3 proficiency in reading or mathematics performance. Level 3 proficiency is a score from 480.18 to less than 522.89 for reading and from 482.38 to less than 544.68 for mathematics.
The PISA definition of reading literacy can be summarised as understanding, using, evaluating, reflecting on and engaging with texts in order to achieve one's goals, to develop one's knowledge and potential, and to participate in society.
Mathematical performance, for PISA, measures the mathematical literacy of a 15 year-old to formulate, employ and interpret mathematics in a variety of contexts to describe, predict and explain phenomena, recognising the role that mathematics plays in the world.
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