The number of students from multicultural families in South Korea rose more than 20 percent on-year in 2012 to take up 0.7 percent of the country\'s total school children, data showed Monday. According to the data compiled by the education ministry, the number of multicultural students who attend primary or secondary schools in South Korea reached 46,954 in 2012. It is nearly five times larger than 9,389 in 2006, when the ministry began compiling the data.