Studies on academic achievement worldwide are sporadic, focusing on variables more or less have been taken by the researchers, and provided knowledge. This cross-sectional study aimed to determine how the school effect influences secondary school students' academic achievements by two important significant (study habits and self-esteem). With a…

Cooperative learning model played a dynamic role in improving students' achievement in mathematics. The purpose of this research study was to compare the effects of three instructional methods on students' mathematics achievement and attitudes toward mathematics among secondary students in Natore, Bangladesh. These instructional methods were used…