Organisation of compulsory general education

This dataset presents how full-time compulsory education is organised, such as number of grades. It covers primary education, lower secondary general education and compulsory upper secondary general education, but excludes pre-primary education, even if compulsory. Data refers to the reference year 2025 (school year 2024/25 or 2025), unless stated otherwise.

For more information, please consult the Education at a Glance web page and the OECD Handbook for Internationally Comparative Education Statistics: Concepts, Standards, Definitions and Classifications. Further detail as to the methodology used, the references to the sources and the specific notes for each country are available in Education at a Glance 2025 Sources, Methodologies and Technical Notes.