The NSES is a research study aimed at identifying lessons for policy and practice for government, principals, teachers, and parents. The study drew on a nationally representative sample of 268 schools. Learner performance, the dependent variable, was assessed by means of literacy and mathematics tests. Other elements studied include: home factors; the influence of SES and school type; school leadership and management; teachers’ mathematical knowledge; writing in language classes; opportunity to learn mathematics; and learner age.
