This volume revised versions of the selected papers presented during the Third International Workshop on Advanced Virtual Environments and Education, WAVE 2021, held in Fortaleza, Brazil, in March 2021.  The 7 full papers and 4 short papers presented were thoroughly reviewed and selected from the 27 submissions. The papers are organized in the following topical sections: ​learning scenarios and grouping methods; applications and scenarios, phigital, CS education and assessment; human computer interfaces for education, study cases for accessibility and wellbeing.