The dynamism of the changes taking place in the modern world (Figure 1) has necessitated a rethinking of the fundamental principles of the functioning of the world’s education systems. In a rapidly changing world, the first, key question for educational policy makers, schools in general, and teachers in particular, the question is: “What is to be learned by students in the 21st century?” and second, no less significant “How will teachers prepare students for the 21st century?”