Several recent studies find that interventions in schools can have important lasting consequences for students, and that schools differ in their contribution to students' learning. However, there is less research investigating how these differences between schools influence longer-term outcomes,...

This paper studies school quality in the context of Norwegian compulsory schooling. I demonstrate that even when lagged achievement is not observed, it is possible to construct informative value-added (VA) indicators of persistent school quality by adjusting exam scores for students' background...