in countries such as italy germany hungary luxembourg and turkey there are large differences between schools linked to the schools and students socioeconomic backgrounds the magnitude of the differences in performance associated with the socioeconomic composition of the school is striking especially in austria belgium czech republic germany israel japan and the netherlands one student attends an advantaged school where most of this student s peers come from families that are more affluent the other student attends a more socioeconomically disadvantaged school the analysis indicates that the first student would be expected to show on average across the oecd countries a score point higher reading performance than the second student and this difference would be expected to exceed score points in several countries