One of the standout performers in the results from PISA 2015 was Vietnam. It achieved a ranking of 8th in science with a score of 525, which was significantly above Australia’s score of 510. More remarkably, only 6% of its students were below the minimum PISA standard compared to 18% of students in Australia. Vietnam had the smallest proportion of students below the science standard of the 72 countries and economies participating in PISA 2015.
However, there seems to be more than meets the eye in these results because over half of Vietnam’s 15-year-old population was not covered by the PISA sample because they were not in school. Continue reading “PISA Rankings Are Misleading Because of Differences in Student Coverage”