In here or here we can find a discussion on what Bill Gates‘ Foundation try, and to some extent has managed, do to American schools.

So to summarize my views:
We need to pursue the conditions necessary for solid reflective, collaborative cultures at schools. These are dynamic processes that rely on the leadership and inspiration of everyone involved. They require trust to be invested in our school leaders, who in turn need to trust their teachers to engage in this often open-ended work. Constant pressure to raise test scores and top-down mandates destroy this. These external pressures do not add coherence—they subtract it. Teachers need autonomy and time, and they need support, access to partners, the use of strong models of collaboration, and small class sizes so they are not overwhelmed every day. We need to strengthen, not eliminate due process, when we ask teachers to open their classroom practices to one another and reflect honestly about their practice.