After decades of conflict with Indonesia, Timor-Leste is gradually rebuilding its education infrastructure and reclaiming its identity as an independent country. In the first decade post-independence the education sector faced many challenges, including a lack of school buildings and resources, the need to replenish and upskill the Timorese…

This case study introduces the notion of an operative system to describe elementary teachers' knowledge and practice. Drawing from complex systems theory, the operative system is defined as the network of knowledge and practices that constituted teachers' work within a lesson study cycle. Data were gathered throughout a lesson study cycle in which…

All too often, designers assume that complex science and cycles of inquiry are beyond the capabilities of young children (5-8 years old). However, with carefully designed mediators, we argue that such concepts are well within their grasp. In this paper we describe two design iterations of the BeeSign simulation software that was designed to help…

Background: The prevalence of overweight children has reached epidemic proportions, and affects Latinos youth more than other subgroups in the United States. Given the prevalence of obesity and its economic consequences, community health initiatives have shifted toward primary prevention at younger ages. Methods: Data representing all levels of…

Gaps in academic achievement between students from various racial and ethnic groups and from low-income families are a cause for national concern. The advent of high stakes testing and the increased awareness of high dropout rates have rekindled the search for ways to help all children succeed in school. Many strategies to address lagging…