Many reform initiatives adopt a reductionist, proceduralized approach to cultural change, assuming that deep changes can be realized by introducing new classroom activities, textbooks, and technological tools. This article elaborates a complex system perspective of learning culture: A learning culture as a complex system involves macro-level…

Few evidence-based instructional practices achieve large-scale use, often remaining only in the schools directly involved in their development. Research on scaling up effective educational practice often lacks sensitive measures of the practice's implementation and the required research protocol. This article describes how we used rate of…