This dataset presents internationally comparable data on instruction time in full-time compulsory education. It covers primary and (lower and upper) secondary general education, but excludes pre-primary education, even if compulsory. Total number of instruction hours is available by level of education.
OECD-INES NESLI 2020 Subnational Data Collection
For more information see
Etienne ALBISER (etienne.albiser@oecd.org)
16 September 2021
Further detail as to the methodology used during the data collection for each indicator, the references to the sources and the specific notes for each country are available in:
Detailed presentation and explanation of the ISCED 2011 classification is available in :
Key statistical concepts, definitions and methodologies underlying the indicators are available in the:
This dataset presents internationally comparable data on instruction time in full-time compulsory education. It covers primary and (lower and upper) secondary general education, but excludes pre-primary education, even if compulsory. Total number of instruction hours is available by level of education.
OECD-INES NESLI 2020 Subnational Data Collection
For more information see
16 September 2021
Etienne ALBISER (etienne.albiser@oecd.org)
Further detail as to the methodology used during the data collection for each indicator, the references to the sources and the specific notes for each country are available in:
Key statistical concepts, definitions and methodologies underlying the indicators are available in the:
Detailed presentation and explanation of the ISCED 2011 classification is available in :
are included in: