National and international research has been able to deepen important differences between stu-dents of small schools located in rural communities and students of metropolitan schools, with par-ticular reference to learning in STEM disciplines. The narrative review proposed in this contribu-tion…

About 30% of students in the world attend primary education in multi-grade classes. Multi-grade education is common in many rural areas of the so-called minority world, i.e. high-income countries such as the United States, Canada, in many European countries and in majority world countries such as…