Mathayomsuksa 1 [ M . 1 ] students are comparable to 7th graders in a western school system , while Mathayomsuksa 6 [ M . 6 ] students are comparable to 12th graders .
Mathayomsuksa 1 [ M . 1 ] students are comparable to 7th graders in a western school system , while Mathayomsuksa 6 [ M . 6 ] students are comparable to12th graders .