Research Promising practice: government schools in Vietnam Vietnam’s government schools have attracted a great deal of international attention since the publication of the 2012 PISA student tests: Vietnamese students performed particularly well in science, ranking eighth globally out of 65 participating jurisdictions; Vietnam maintained this position in 2015. This report investigates what lies behind Vietnam's learning success. Research Sustaining success: high performing government schools in London London schools continue to constitute an extraordinary ‘success story’. By common consent, the government school system in London achieves extremely good results compared to the rest of England, and students from disadvantaged backgrounds do particularly well. Research Technology-supported professional development for teachers: lessons from developing countries This report captures what might be learnt from a selection of the world’s most interesting examples of technology-assisted in-service professional development in lower-income countries and from wider reflections about the potential of technology to enhance the professional learning of teachers. Research Teachers of refugees: a review of the literature Education Development Trust and IIEP UNESCO joined forces to conduct a much-needed review of the main aspects of management relating to teachers of refugees – from recruitment to certification and professional development as well as incentives and retention. Research Observing effective mathematics teaching: a review of the literature This review examines a range of lesson observation frameworks designed for and used in the observation of teaching in mathematics.