This review examined the relations between grit and academic achievement based on a meta-analysis of 137 studies yielding 156 dependent samples (N = 285,331). Using the robust variance estimation, we found that the correlations of overall grit level with academic achievement were generally weak to moderate (weighted r = 0.19). The correlation of…

The Council of the European Union has set the goal of reducing low achievement in reading, mathematics and science among 15-year-olds to less than 15 % by 2020. How are European countries going to achieve this? One of the key elements in the learning process is the instruction time available to students. In fact, not only the quality of…

This report examines the recommended minimum instruction time in full-time compulsory general education in 2016/17 in 42 European education systems. It includes national diagrams illustrating the data by country and by subject. The comparative overview examines the policy changes that have taken place over the last year regarding the recommended…

Background: While existing evidence strongly suggests that immigrant students underperform relative to their native counterparts on measures of mathematics, science, and reading, country-level analyses assessing the homogeneity of the immigrant achievement gap across different factors have not been systematically conducted. Beyond finding a…