Burov, O.Yu., Kiv, A.E. (Eds.) Proceedings of the 3rd International Workshop on Augmented Reality in Education (AREdu 2020), Kryvyi Rih, Ukraine, May 13, 2020, CEUR-WS.org, online This volume represents the proceedings of the 3rd International Workshop on Augmented Reality in Education (AREdu 2020), held in Kryvyi Rih, Ukraine, in May 13, 2020. It comprises 23 contributed papers that were carefully peer-reviewed and selected from 41 submissions. The accepted papers present the state-of-the-art overview of successful cases and provides guidelines for future research. Copyright © 2020 for the individual papers by the papers’ authors. Copyright © 2020 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).