Augmented Reality in Education (AREdu) is a peer-reviewed international Computer Science workshop focusing on research advances, applications of virtual, augmented and mixed reality in education. Topics of interest: Virtualization of learning: principles, technologies, tools Augmented reality gamification Design and implementation of augmented reality learning environments Aspects of environmental augmented reality security and ethics Augmented reality in science education Augmented reality in professional training and retraining Augmented reality social and technical issues Authors are invited to submit full (at least 10 pages) papers through the HotCRP (https://notso.easyscience.education/aredu/2021/) by March 21, 2021. Submitted papers will be peer-reviewed by two scholars on the basis of technical quality, relevance, originality, significance, and clarity. If necessary, a third, additional reviewer will be involved. The Program Committee will use these reviews to determine which papers will be accepted for presentation at the workshop. The result of the reviewing will be announced to the submitting authors by email, along with reviewer comments, if any. Primary requirements Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this workshop. The review process will be blind peer review. The submission should be LaTeX-generated PDF paper. Formatting options AREdu 2021 uses one-column CEURART style for the proceedings (https://aredu.ccjournals.eu/aredu2021/CEURART.zip). Therefore, for preparing your submission please STRICTLY FOLLOW the "Guidelines to format your document for CEUR-WS" (http://ceur-ws.org/Vol-XXX/sample-1col.pdf) and use sample-1col.tex file from CEURART.zip as template. Your submission should be prepared using TeX and one-column CEURART style. References should use the format, as shown in the "Guidelines to format your document for CEUR-WS". Paper submission In case you have never worked with the HotCRP system before, please create HotCRP account it by clicking "Create an account" link at the login form (https://notso.easyscience.education/aredu/2021/newaccount). You will be offered to enter your email and click the 'Create account' button. The instructions for signing in to HotCRP would be sent to your email. After complete registration you should sign in and complete your profile (https://notso.easyscience.education/aredu/2021/profile?redirect=1). Please list potential conflicts of interest - we use this information when assigning reviews. At the "New Submission" link of the AREdu 2021 (https://notso.easyscience.education/aredu/2021/paper/new), please fill in the forms as requested by the instructions.