This paper examines the extent that material, social, and cultural resources and schools account for the relationship between socioeconomic background and student achievement among 15-year-olds in 30 countries. Generally, cultural factors play a more important role in most countries although in a small minority of countries, material resources…

This article presents information on 2 international educational effectiveness studies, one completed and the other ongoing. The 2nd study is, to a large degree, a reaction to a methodological problem encountered in the 1st study, the lack of an internationally valid instrument measuring teacher effectiveness. This article presents 4 reasons for…