This two-volume set LNAI 12163 and 12164 constitutes the refereed proceedings of the 21th International Conference on Artificial Intelligence in Education, AIED 2020, held in Ifrane, Morocco, in July 2020.*The 49 full papers presented together with 66 short, 4 industry & innovation, 4 doctoral consortium, and 4 workshop papers were carefully reviewed and selected from 214 submissions. The conference provides opportunities for the cross-fertilization of approaches, techniques and ideas from the many fields that comprise AIED, including computer science, cognitive and learning sciences, education, game design, psychology, sociology, linguistics as well as many domain-specific areas. *The conference was held virtually due to the COVID-19 pandemic.

This book constitutes the thoroughly refereed proceedings of the Researcher Links Workshop: Higher Education for All, held in Maceio, Brazil, in March 2017. The 12 full papers presented were carefully reviewed and selected from 31 submissions. The papers deal with a large spectrum of topics, including higher education, technology-enhanced solutions, user modelling, user grouping, gamification, educational games, MOOCs, e-learning, open educational resources, collaborative learning, student modelling, serious games, language analysis.