A lot of structural reforms of education system have been and are being discussed at length in the general public and among experts. Many hope this discussion will lead to progress in the form of structural measures and frequently point to PISA as evidence in support of this hope. However, educational research beyond Pisa shows that in many cases, this hope remains just that, a hope, and that there is no causal relationship between structural measures and the desired success. In the present article, an attempt was carried out to reveal this relationship and point out that the core of successful teaching and the central goal for teacher education are the mind frames of the teachers.