Korean students fared worse this year in the OECD’s PISA rankings, which assesses the quality of secondary students around the world.
While Korea still ranked well ahead of most countries in the OECD, they slipped two points in math, 11 points in reading and three points in math from the 2012 rankings.
Canada topped the list in reading released by the OECD, while Japan ranked first in science and math.
Singapore topped the list of mean scores among all countries, with Japan second and Estonia third. Korea ranked 11th with 516 points, falling two points from the 2012 rankings.
Korean girls ranked higher than boys — by 41 points in reading, 10 points in science and seven in math.
Korean students also scored very low in motivation for studying.
The Programme for International Student Assessment assessed 540,000 15-year-olds in 72 countries around the globe.