
Finland shocked the world when its fifteen-year-olds scored highest on the first Programme for International Student Assessment (PISA), a set of tests evaluating critical-thinking skills in math, science, and reading. That was in 2001; even today, this tiny Nordic nation continues...

Finland shocked the world when its fifteen-year-olds scored highest on the first Programme for International Student Assessment (PISA), a set of tests touted for evaluating critical-thinking skills in math, science, and reading. That was in 2001; but even today, this tiny Nordic...