ICMI Study: Advances in Geometry Education

The Executive Committee of the International Commission on Mathematical Instruction (ICMI) established the foundations of the 26th ICMI Study in 2022, the topic of the study being Advances in Geometry Education.This is the first ICMI Study to focus on geometry since 1998 (ICMI Study 9, Perspectives on the Teaching of Geometry for the 21st Century); it is aimed at reporting the current state of the field of geometry education, focusing on the advances and current challenges in the teaching and learning of geometry, and proposing guidelines for future research and innovation actions.