Australian high school students are up to two school years behind their peers in the world's best performing countries, a major global test of student achievement has revealed. The results of the OECD's latest Program for International Student Assessment (PISA), released globally on Tuesday night, revealed that not only are the science, reading and maths problem-solving skills of Australian 15-year-olds sliding backwards relative to their international peers, but their skills are declining in real terms.

http://www.smh.com.au/national/education/australian-school-students-two-years-behind-worlds-best-performing-systems-20161206-gt4w8p.html