Hundreds of students from 18 countries including the DPRK, China, the U.S. and Japan and regions attended the championship held in Hong Kong of China from Dec. 20 to 22.

In the championship, students of Kim Hyong Jik University of Education bagged seven gold medals, seven silvers and five bronzes, winning four trophies and renewing four world records.

Two students were awarded the international memory master prize, top one of the World Memory Championship.

In the senior contest, Pang Un Sim took the first place, winning five gold medals, three silvers, one bronze and the international memory master prize.

In the junior contest, Ri Song Mi gained two gold medals, three silvers and two bronzes together with the master prize.

Korean students returned home on Tuesday.