ºìÐÓÊÓƵ 2015 Release Marks 20 Years of Trends
IEA's ºìÐÓÊÓƵ; PIRLS International Study Center at Boston College released the results of ºìÐÓÊÓƵ 2015 and ºìÐÓÊÓƵ Advanced 2015 on November 29, 2016. The release marked 20 years of trends for ºìÐÓÊÓƵ, which was first conducted in 1995. By reaching this milestone, ºìÐÓÊÓƵ earns the distinction of establishing the longest trend line of any international education assessment. Approximately 600,000 students worldwide participated in ºìÐÓÊÓƵ and ºìÐÓÊÓƵ Advanced 2015, which provide country comparisons in mathematics and science achievement, and comprehensive data on the home and school contexts for teaching and learning those subjects. For more information, .