I just read between the lines in the article that he must have gotten something like that since he said in the article that when he dropped out to be a poet he knew he would not have to attend college in two years.
Looking into it, I think they actually translate their version of it as GED too:
cma|9 months ago
Looking into it, I think they actually translate their version of it as GED too:
https://www.ice.go.kr/en/cm/cntnts/cntntsView.do?mi=10019&cn...