School socio-economic compositional (SEC) effects have been influential in educational research predicting a range of outcomes and influencing public policy. However, some recent studies have challenged the veracity of SEC effects when applying residualised-change and fixed effects models and simulating potential measurement errors in hierarchical…

It is well known that socio-economic status (SES) at both the student and school level is associated with educational outcomes. Students from higher social backgrounds, on average, have greater educational outcomes than their less privileged peers. Also, a student that attends a school that enrols students from primarily high social backgrounds…