PERAN GURU DALAM MENINGKATKAN KEDISIPLINAN SISWA KELAS X PROGRAM KEAHLIAN TATA KECANTIKAN DI SMK NEGERI 1 SEWONNIM.: 22102020063Maritza ErfiasariauthorThe role of teachers in improving discipline through preventive measures involves providing students with an understanding and/or knowledge of discipline through individual and group guidance, as well as giving students the opportunity to consult with guidance counselors or receive private counseling regarding the problems they face. This research is motivated by the crucial role teachers play in fostering student discipline, particularly within the beauty skills program, which involves practical learning activities. The purpose of this study is to identify, describe, and analyze the forms of teachers’ roles in improving discipline among 10th-grade students at State Vocational High School 1 Sewon. This study employs a qualitative approach using qualitative descriptive analysis. The research subjects were guidance and counseling teachers, homeroom teachers, Islamic religion teachers, and three 10th-grade female students in the Beauty Care Specialization Program at SMK Negeri 1 Sewon. Participants were selected using purposive sampling. Data collection was conducted through structured interviews and documentation. Data validity was tested using methodological triangulation by comparing the results of interviews, observations, and documentation. Data analysis was conducted through data reduction, data display, and drawing conclusions. The results of the study identified 12 (twelve) teacher roles in improving student discipline: 1) teacher as motivator, 2) teacher as mediator, 3) teacher as supervisor, 4) teacher as mentor, 5) teacher as facilitator, 6) teacher as initiator, 7) teacher as liaison, 8) teacher as informant, 9) teacher as role model, 10) teacher as administrator, 11) teacher as disciplinarian, and 12) teacher as consultant. These various roles are fulfilled through preventive training, supervision, leading by example, communication, and the provision of guidance services, thereby fostering disciplined behavior among grade X students in the beauty therapy program at SMK Negeri 1 Sewon.158.3 Psikologi Konseling, Penyuluhan, Bimbingan Konseling2026-08-18UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS DAKWAH DAN KOMUNIKASIThesis