**A. Appendix 1**


Explanatory notes:

— Not available.

†Not applicable.

S. E. Standard Error.

Argentina: Coverage is too small to ensure comparability (see PISA 2015 Results [Volume I]: Excellence and Equity in Education [OECD, 2016], Annex A4). The Reading, Mathematics and Science scale ranges from 0 to 1000. Some apparent differences between estimates may not be statistically significant.

Source: By author Organization for Economic Cooperation and Development (OECD), Program for International Student Assessment (PISA), 2015 Mathematics Assessments.
