This series is a collection of research findings on the highest levels of education in China. The articles in this series are from Educational Research, the top academic journal in the field of education research in China. It covers education reform and development, high quality education system, revitalization of rural education, quality-oriented education and other fields, focusing on the hot and frontier issues of education in recent years, such as the development of artificial intelligence and education, rural education teams and policies, vocational education development, adolescent development and educational competition.