This research is to determine the influence of competency, organizational commitment, and work discipline for teacher’s performance of SMK N 17 Jakarta. The population in this study amounted to 35 people who directly become the sample. The method used in this research is descriptive method, which is problem solving by describing the object of research at current situation based on the fact. It is analyzed by using tool of Statistical Product and Service Solution (SPSS) version 21.0. From this research got result that competency variable, organizational commitment and work discipline have influence positive and significant to the performance of teachers SMKN 17 Jakarta.