provides additional instruction time to students in low achieving lower secondary schools of Southern Italy. We control for … group across grades and the composition of teachers in the school assigned to each group is substantially stable over time …. We contrast groups with and without additional instruction time in participating schools, to groups in non …

the variation in the curriculum taught to same-aged students at academic-track high school over time and across states to … students affected by the reform catch up with their non-affected counterparts in terms of their competences by the time of … instructional time and not so much through age-distinct timing of instruction …

Although instruction time is an important and costly resource in education production, there is a remarkable scarcity …-specific instruction time within Switzerland to determine the causal impact of instruction time on student test scores, as measured by the … international PISA test (2009). We extend the analyses in two ways and find that students must differ considerably in the time …

Although instruction time is an important and costly resource in education production, there is a remarkable scarcity …-specific instruction time within Switzerland to determine the causal impact of instruction time on student test scores, as measured by the … international PISA test (2009). We extend the analyses in two ways and find that students must differ considerably in the time …

) overalmost five years. In the additional time, students are taught new learning content. On average, the reform improves student …