Differences in achievement between disadvantaged pupils and their more advantaged peers are a focus for policy in all parts of the UK. A gap in educational outcomes between pupils from less-affluent backgrounds compared to their peers is evident by the time they start school and only widens as they move through the school years. In 2018, nearly 80…

Background/Context: Scholars have attributed the underperformance of U.S. students relative to students in other high-income countries to unequal access to high-quality educational environments. Poor students are presumed to do disproportionately worse on international achievement tests and, consequently, to pull down the U.S. average. Conversely,…

Equity is a fundamental value and guiding principle of education policy and practice, but it is not necessarily actualised in schools and education systems around the world. There are large variations across PISA-participating countries and economies in the magnitude of the difference that socio-economic status makes in students' learning,…

The Programme for International Student Assessment (PISA) is a worldwide research project involving schools and students in over 70 countries. It is run by the Organisation for Economic Co-operation and Development (OECD), takes place every three years, and is designed to examine how 15-year-olds can apply what they have learned in school to real…