Year

Grade

Developed Subjects

2008

Elementary

5

Korean, English, mathematics, social studies, science, music

6

Korean, mathematics, social studies, science

2009

Elementary

3 - 6

English(4 kinds in different level)

4

social studies, science

Middle

1

English, science

2010

Elementary

5 - 6

Revision of social studies and science

2011

Elementary

5 - 6

Revision of Korean and mathematics