The purpose of this study is to explore the meaning and essence of the learning experiences of K University students majoring in educational school librarianship. In order to achieve the purpose of the research, an open-ended question-based focus group interview was conducted for 12 major students who had graduated from K University’s master’s degree course within two years. By analyzing the contents of the answers, 9 themes, 35 categories, and 104 concepts were derived from the learning experience in the master’s course. Looking at the main analysis results for each area, the motive for entering the master’s course was to acquire a librarian teacher qualification, which is a condition in applying for the employment examination. The Satisfaction with the learning experience was an average of 7.66 out of 10 points. In addition, the most dissatisfied parts during the master’s course was the contents of the subjects and classes that were not helpful in the operation of the school library and the employment examination for librarian teachers, therefore the response was that improvement is necessary for the future development of the librarian master’s degree curriculum.