Support measures of the minimum achievement level assurance guidance as the introduction of the High School Credit System

The purpose of this study is to derive implications through monitoring how schools are implementing minimum achievement level assurance guidance, what difficulties they face, and what measures are available to support them in order to stabilize the high school credit system that will be fully implemented in 2025. To this end, a survey was conducted on teachers from 68 schools participating in the study, and case studies were conducted on three schools to gain an in-depth understanding of the overall operation of the high school credit system at each school. As a result of the study, it was confirmed that there is a need for reducing teachers