The ICOST 2021 is theĀ  9th series of Second International conferences organized by the RSP Science Hub. The worldwide education-related research community today highly acknowledges the high standards, impact, and quality of RSP conferences. ICOST-2021 is an international conference on research and development advances reviewed by peers. It promotes excellence in collaboration between academics and university professionals. ICOST-2021 aims to provide scholars and industrialists with disciplinary interests from a variety of fields with the opportunity to bridge the knowledge gap, promote appreciation of research and the evolution of educational science. This conference is a fusion of industry, academia where knowledge can be developed. We thank people who are interested in advances in research and cordially invite them to organize this conference and make it an unforgettable success story.