国际教育成就评价协会（IEA）：2024年教学质量、教学局限性及其与学生成绩的联系：来自北欧小学的见解报告（英文版）

Classrooms with higher teaching quality were associated with higher learning outcomes in mathematics and science. Classrooms where teachers reported high degrees of limitations to teaching in the classroom—including disruptive students or students with language barriers—were associated with lower learning outcomes. These are two of the important findings of the Northern Lights book project examining the current state and trends in mathematics and science performance in Nordic primary schools