We discuss fixed and random effects models in the context of educational research and set out the assumptions behind the two approaches. To illustrate the issues, we analyse the determinants of pupil achievement in primary school, using data from the Avon Longitudinal Study of Parents and...

A review of research evidence suggests that low levels of educational attainment are crucial in generating and sustaining social exclusion. Test scores at school are the most effective predictor of many adult outcomes. School attendance and soft skills are also important. Reviewing the factors...