The document summarizes the top performing education systems in the 2012 Programme for International Student Assessment (PISA) for mathematics, reading, and science literacy based on paper-based and computer-based assessments. Shanghai had the highest average scores for mathematics, reading, and science literacy on the paper-based assessment. On the computer-based assessment, Singapore had the highest average scores for mathematics and reading literacy. The tables and figure also show the education systems that did not have significantly different average scores from Singapore.