Low poverty rates = high scores on int'l tests
An email from a colleague in California caused me to reflect once again on the results of the 2009 PISA exams. The Programme for International Student Assessment (PISA) is a worldwide evaluation of 15-year-old school pupils' scholastic performance, performed first in 2000 and repeated every three years. It is coordinated by the Organisation for Economic Co-operation and Development (OECD), with a view to improving educational policies and outcomes. Another similar study is the Trends in International Mathematics and Science Study, which