This study aimed to determine the Principal Leadership and motivation towards the work loyalty of the SMP / MTS teachers in Tembilahan Hulu sub-district of Indragiri Hilir Regency.This research used quantitative method. The subjects of this study were junior high school / Madrasah teachers, Totaling to 191 people spread out across 4 junior high schools / MTS in Tembilahan Hulu Subdistrict.The o…