Knowledge sharing has an important role in improving the quality of education. The main reason for doing knowledge sharing research is to improve the quality of educators in education. Servant leadership and organizational climate play an important role in building communication skill, so that knowledge sharing in schools can be established. This study was conducted with the aim to know the positive correlation servant leadership, organizational climate, and communication skills to knowledge sharing. The approach in this research using quantitative approach with analysis a method to know the effect of coefficient from each variable. Data collecting is done by distributing questionnaires to 55 respondents in Lentera Harapan Curug School. The result of research stated that servant leadership, organization climate and communication skill positively influence toward the knowledge sharing at Sekolah Lentera Harapan Curug. / Knowledge sharing memiliki peranan penting dalam peningkatan kualitas pendidikan. Alasan utama dilakukan penelitian knowledge sharing adalah untuk melakukan peningkatan kualitas pendidik di dalam pendidikan. Servant leadership dan iklim organisasi memegang peranan penting di dalam membangun keterampilan komunikasi, sehingga knowledge sharing di sekolah dapat terbangun. Penelitian ini dilakukan dengan tujuan untuk mengetahui pengaruh positif servant leadership, iklim organisasi, dan keterampilan komunikasi terhadap knowledge sharing. Pendekatan dalam penelitian ini menggunakan pendekatan kuantitatif dengan metode analisis jalur unruk mengetahui pengaruh koefisien dari masing-masing variabel. Pengumpulan data dilakukan dengan membagikan kuesioner kepada 55 responden yang ada di Sekolah Lentera Harapan Curug. Hasil penelitian menyatakan bahwa servant leadership, iklim organisasi, dan keterampilan komunikasi berpengaruh positif terhadap knowledge sharing di Sekolah Lentera Harapan Curug.