Systems of education
Algeria Angola Afghanistan Bangladesh Cameroon Democratic Republic of the Congo Ecuador Finland Ghana India Japan Kazakhstan Laos Madagascar Namibia Pakistan Republic of the Congo Saudi Arabia Tanzania Ukraine Venezuela Yemen Zambia United Kingdom Belarus Bolivia Brazil Burkina Faso Burundi Venezuela Vietnam Guinea Guinea-Bissau Egypt Iraq Iran Jordan Israel Colombia Spain Cuba Mauritius Mauritania Mozambique Mongolia Nepal Nigeria South Korea Peru Sudan Kenya Romania Syria United States Turkmenistan Tunisia Uzbekistan Chad Sri Lanka Guinea Ethiopia Abkhazia Côte d'Ivoire Lebanon North Korea Palestine Botswana Malaysia Canada Burma Morocco