Hoon
Mu-jin
So-yeon
Byeong-tae
Gi-cheol
Yeon-hee
Teacher
Math
Byeong-tae's mother
7.75
/NaN
7
/2010
6.889
/1995
7
/2018
6.2
/2020
8.3
/2022
7.5
/2013
6.4
/2011
6.1
/2014
4.8
/2012
4.376
/2011
6.797
/1991
6.953
/2010
7.3
/1996
5.4
/2011
8
/2001
8
/1990
4.468
/2004
