PISA scores<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Programme_for_International_Student_Assessment" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Programme_for_International_St...</a><p>Considering the cultural and ethnic similarity between Sweden and Finland as Nordic countries, PISA score trajectory based on voucher vs highly paid public professionals is really shocking.