Successful education systems are able to guarantee that all students succeed at high levels. Across OECD countries …, around 60% of the overall, country-level variation in student performance can be traced to differences in how well students …

of parents who consider academic achievement very important score 46 points higher in mathematics than the children of …When choosing a school for their child, parents in all participating countries value academic achievement highly; but … they are often even more concerned about the safety and environment of the school and the school’s reputation. The children …