Successful implementation of evidence-based educational practices at scale is of great importance but has presented significant challenges. In this article, the authors address the following questions: How does the level of on-site technical assistance affect student outcomes? Do teachers' fidelity of treatment implementation and their perceptions…

The 2009 Worldwide Education and Training Workshop brought together over 375 members of the international development community to share best practices in addressing the growing challenges in the field of education for social and economic development. This paper presents synopses of the presentations delivered during the workshop.