The 9th Brazilian Congress on Computers in Education (CBIE) was held in the online format, from November 24 to 28, 2020, with a joint organization between the Federal University of Rio Grande do Norte (UFRN) and the Federal Institute of Education, Science, and Technology of Rio Grande do Norte (IFRN). This edition had the theme “Development of skills and competencies for innovation and social impact”. The proceedings with the scientific papers accepted and presented in the CBIE 2020 events were published in the volumes listed below.

Core Events:

• Proceedings of the 31st Brazilian Symposium on Computers in Education (SBIE)
• Companion Proceedings of the 31st Brazilian Symposium on Computers in Education (SBIE)
• Proceedings of the 26th Workshop Computing at School (WIE)
• e-Book of the 9th Jornada de Atualização em Informática na Educação (JAIE)