What would be one of the most sensible ways for a country to invest to achieve maximal economic growth? A recent study (Chetty, Friedman, & Rockoff, 2011) by economists at Harvard and Columbia Universities shows that better teacher quality results in significantly higher students' lifetime earnings. And investing in public school teachers…

Questions of "quality" of pre- and out of school-provisions for children and their families have been raised increasingly in all modern societies since the early nineties. The appropriateness of pedagogical frameworks and approaches have not been the only issues in the debate. Other strands, for instance, have been focussing on adequate…