These countries make sure their citizens will study, a lot.
As a part of its annual Global Competitiveness Report, The World Economic Forum has ranked the most educated countries in the world.
The WEF created the index using a variety of objective and subjective measures.
The lowest possible score is 1, and the highest is 7.
European countries dominate the list, even though it is a non-European country that tops it.
Scandinavian countries also dominate the list, partly because public expenditure in the region is generally very high.
Here is a complete list of countries:
The tiny Nordic country of Iceland has a population of 330,000. Although it ranks highly in the global index, it spends the least on educational spending of the Nordic countries.
10. New Zealand
New Zealand constantly ranks among the top education systems in the world. The country's education department is innovative: in September, the government outlined plans to introduce online education courses, whereby students are not required to attend school on certain days of the week.
Australia is a well-educated country, and has a particularly high proportion of tertiary-educated adults. 43% of adults have trained at an institution after leaving school - that's behind only Canada, Japan, Korea, the US, and the UK.
8. United States
A large proportion of adults in America have a university education - 43%. That is the fifth highest proportion in the OECD.
Norway has high levels of taxation and invests heavily in education. It devotes an annual expenditure of approximately $14,000 per pupil from primary to tertiary education - the third highest figure in the OECD.
Denmark is the OECD country that spent the largest share of its wealth on education, with a total expenditure on educational institutions of 7.9% of its GDP. It is a major priority in the country: it was one of the few countries where education expenditure actually grew during the financial crash of 2008.
In Belgium, higher education pays: unemployment rates for those with a higher education is just 3%. Unemployment rates are lower than the European average for every other level of education, too.
Teaching is a well-paid profession in the country: teachers’ salaries are on average $74,000 adjusted for purchasing power. The OECD average is £39,000 $52,000.
A large majority of Switzerland's population has attained a full secondary education: 86% of 25-64 year olds. The country spends a lot on it: an average of $16,000 per student per year, compared to the EU average of £7,500 $9,500.
The Dutch rank highly in many fields of education. A third of Dutch 25-64 year olds hold a university degree, which is significantly higher than the OECD average of 24%.
Finland's education system is widely-acclaimed, especially since a 2010 documentary, "Waiting for Superman," compared it favorably with the USA's. Teachers are selected from the top 10 percent of the country's graduates, and are required to earn a master's degree in education.
Singapore's education system is the most highly-regarded in the world, but it is also famously known as a "pressure cooker" for its intensity and strictness. Global comparisons of math’s and science ability are often topped by Singapore's school system.