The purpose of this study was to determine the implementation of values national insight within Indonesian history’s learning process to form students' solidarity attitudes at Senior High Schools in Yogyakarta. This research was a case study by using qualitative approach. Data collection techniques consisted of observation, interviews, and documentation. The results of the study stated that the implementation of values national insight in the learning process of Indonesian history to form an attitude of solidarity could be conducted through the stages of learning planning by compiling a learning device in the form of a syllabus and learning implementation plan (RPP). The implementation of learning was carried out through Indonesian history material containing values of national insight which was expected forming an attitude of solidarity. During study, the arising problem was teacher’s to carry out the learning process and students’ lack of less attention on the teaching material.