The document discusses the work of the Centre for Educational Research and Innovation (CERI) at the OECD. CERI conducts forward-looking research on education with a focus on innovation in teaching and learning. Some of CERI's major projects include the Teaching and Learning International Survey (TALIS), which collected data on teachers and schools in over 20 countries, and research on how to better prepare teachers for diverse classrooms through pre-service and in-service training. The document outlines CERI's past work over 40 years and current research agenda, which examines topics like effective teaching strategies, innovative learning environments, and teacher quality.