Gratzia Villarroel, Ph.D. , Director of International Studies, St. Norbert College
The Program for International Student Assessment (PISA) emerged in the late 1990s when the Organization for Economic Cooperation and Development (OECD) identified a need for an international assessment beyond traditional performance measures. The first PISA assessment took place in 2000 and included 32 countries, which has risen to 80 in recent test evaluations. The test occurs every three years, and improvements are made each time to address different needs. To read the complete article click PISA Study.