tracking of students in secondary schools. Many European countries have moved from a system of tracking students early to one … where students stay in comprehensive schools until a fairly late age. Britain moved from a system of extensive and early …, students would take an exam at age eleven, which determined whether they would attend an academically oriented grammar school …

with comprehensive schools during the 1960s and 70s. Before the reform, students would take an exam at age eleven, which …-added methodology: they compare outcomes for students passing through either type of school controlling for achievement levels at the … children only enter secondary school at age 11, these effects are likely due to selection bias. Careful choice of treatment and …