The aim of this study is to examine the influence of Organizational Culture, Transformational Leadership and Personality to Performance of Teachers at Public Junior High Vocational Schools either when tested individually or simultaneously. Organizational Culture, Transformational Leadership and Personality serve as independent variables while the dependent variable is Performance. The research was conducted on proportional randomly selected 205 teachers out of 422 from thirty-one Public Junior High Vocational Schools in Cianjur Regency, West Java Province, Indonesia. Using mix method, the sequential explanatory design is applied where quantitative come first. The study both quantitatively and qualitatively reveals that there is a positive significant relationship among variables under the following distribution of coefficient of correlation: Organizational Culture to Performance= 0.556, Transformational Leadership to Performance= 0.584 and Personality to Performance= 0.448, and when tested together it produces coefficient of correlation = 0.631 and coefficient of determination = 0.3981 indicating the contribution of variables including in the model only 39.81 % to performance.