an Entity references as follows:
School (Korean: 학교; RR: Hak-gyo) is a South Korean anthology series created by the KBS Drama Production Group for KBS2. The first season premiered in 1999, and the series lasted for four straight years (until 2002). After a ten-year hiatus, the franchise rebooted with a new season in 2012 tiled as School 2013. Since then 3 other series: Who Are You: School 2015, School 2017 and School 2021 were launched.