Summary of Learning Results for PISA-D Countries and Comparators.

Source: PISA-D and PISA Database; OECD (2016, 2018b), PISA Results Tables 9,10 (reading), 30,31 (mathematics), 51,52 (science).Note: The panels of the figure present the following country-level summary of learning results: (a) “Average” refers to the mean test score; (b) “Percent Level 1c or below” refers to the share of students who took the test and performed at the level of proficiency at Level 1c or below; (c) “Percent below Level 2” refers to the share of students who took the test and performed at the level of proficiency below Level 2; The figure includes countries that participated in PISA-D and as comparators countries that participated in PISA.