EN Authors Wang, Liang Choon Corporate authors World Bank Language English Topic Grading and groupingLearning outcomes Region/Country Americas and the CaribbeanColombiaEl SalvadorArab StatesMoroccoTunisiaYemenAsia and the PacificKazakhstanMoldova REuropeMongoliaArmeniaGeorgiaLithuaniaLatviaRussian FederationUkraine Linguistic grouping Latin AmericaFrench speaking AfricaFrench speaking countries Level of education Primary education Resource type Case studies and research papers Project Trends in International Mathematics and Science Study, TIMSS Keywords student evaluationeducational grouping
