The International Commission on Mathematical Instruction (ICMI) is pleased to announce that the 26th ICMI Study is on the topic of “Advances in Geometry Education”. The “Discussion Document” for the Study is now available. The document presents the scope of the study and outlines the call for contribution to the Study Conference. The conference takes place 23-26 April 2024 in Reims, France. The deadline for submission is mid-August 2023. Initial information and a link to the discussion document is at: https://www.mathunion.org/icmi/activities/icmi-studies/ongoing-icmi-studies