This study aims to determine how the effect of self learning and self confident toward the students learning achievement with the school culture of 85% boarding school student (santri).This research was done in Islam Junior High School of YPI Buaran Pekalongan city has 260 students and 156 students being sample of the research. This research was about descriptive quantitative, with the questioner used as the media of collecting data, the measurement scale with likert scale by selection procedure sample, done by Proportionate Stratified Random Sampling technic with the Slovin formula. Data Analysis method with the quasi factor interaction technic.The result of research showed the self learning can influence positive and significant toward the achievement learning students. Self confident can influence positive and significant toward the students learning achievement. School culture can influence positive but not significant toward the students learning achievement. School culture can empower them but cannot be significant toward the students learning achievement. School culture can also weaken them but cannot be significant toward the students learning achievement.
Key word: the self learning, the self confident, the students learning achievement, and the culture of school.
Tesis ini bertujuan untuk mengetahui bagaimanakah pengaruh Kemandirian Belajar dan Kepercayaan Diri terhadap Prestasi Belajar Siswa dimoderasi Budaya Sekolah dengan 85% siswa adalah santri Pondok Pesantren atau Boarding School. Selengkapnya KLIK