Participating Countries
| Education system | 1995 Last-year Secondary School |
2008 Last-year Secondary School |
2015 Last-year Secondary School |
| Armenia | ● | ||
| Australia | ● | ||
| Austria | ● | ||
| Canada | ● | ||
| Cyprus | ● | ||
| Czech Republic | ● | ||
| Denmark | ● | ||
| France | ● | ● | |
| Germany | ● | ||
| Greece | ● | ||
| Iran, Islamic Republic of | ● | ||
| Israel | ● | ||
| Italy | ● | ● | ● |
| Latvia1 | ● | ||
| Lebanon | ● | ● | |
| Lithuania2 | ● | ||
| Netherlands | ● | ||
| Norway1 | ● | ● | ● |
| Philippines | ● | ||
| Portugal | ● | ||
| Russian Federation | ● | ● | ● |
| Slovenia | ● | ● | ● |
| Sweden | ● | ● | ● |
| Switzerland | ● | ||
| United States | ● | ● | |
| Total | 19 | 10 | 9 |
● = Indicates participation in particular assessment with results reported or forthcoming.
1 Administered physics but not advanced mathematics in 1995.
2 Administered advanced mathematics but not physics in 1995.
NOTE: OECD member countries are bolded.
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS).
