Research on the effectiveness of grade retention has a long history, yet, has seen an
upsurge during the last decade. In this study, we review 84 recent, methodologically sound …

When the original Visible Learning® was published in 2008, it instantly became a publishing
sensation. Interest in the book was unparalleled; it sold out in days and was described by …

Given the increasing diversity of the student body, teachers are called to appropriately
address students' various learning needs by means of differentiated instruction (DI) …

This meta-analysis examines the effects of sorting secondary students into different tracks
(“between-school” tracking) or classrooms (“within-school” tracking) on the efficiency and …

The aim of the present study was to examine how different types of tracking—between-
school streaming, within-school streaming, and course-by-course tracking—shape students' …

Secondary school tracking is organized in some countries on a course-by-course basis
within schools and in other countries as explicit academic and vocational streaming, often in …

Student heterogeneity is not limited to performance, but encompasses cultural background,
language competence, learning styles, and motivation. Thus, heterogeneity inherently …

Adults often mention a particular teacher who inspired them as a student to persevere and
thus fulfill their personal potential and dreams, providing support for the popular idea that …

Using PISA data for 16 Western OECD countries having comprehensive school systems, we
explore the conditions under which the socioeconomic composition of schools affects …

We analyze the subtle mechanisms at work in the interaction between families and schools
that underlie social inequalities at the transition point from elementary school into secondary …