Spending: The UK spent more on education (private and public) than any other member of the OECD. The average OECD country spent 5.2% of its gross domestic product (GDP) on education, compared with the UK’s 6.6%.
The UK spent 2.0% of its total GDP on primary education(OECD average 1.5%) and 2.8% on secondary education (OECD average 2.1%). The remaining 1.7% was distributed among post-secondary non-tertiary and tertiary education.
Teacher demographics, salaries and workload: the UK has some of the youngest teachers across all OECD countries. As at 2015, 25% of all UK teachers were under 30 (OECD average 10%). Teachers over the age of 50 made up 20% of UK teachers (OECD average 35%).