Character Education is one of the fields of study that is integrated in Citizenship Education. Every nation needs character education to maintain its existence as a nation, so character education is a very important formulation, especially in strengthening one's identity as a nation. This study aims to describe: 1) the implementation of strengthening character education through the natural school learning curriculum, 2) The impact of strengthening character education through the natural school leadership curriculum in the character of students. This research was conducted at the Al-Karim Natural Elementary School, Lampung. This research uses a qualitative approach with a case study method, with data collection using participatory observation, in-depth interviews, and document analysis. The results showed that: 1) Character Education Strengthening Program at SD AL-Karim Lampung was carried out through a habituation process, Leadership Curriculum programs, and through partnership development involving three educational centers (schools, families and communities). 2) The Program for Strengthening Character Education through the Leadership Curriculum has an impact on the character of students' responsibility. This character is in student activities both in the school environment and outside the school.