The aim of this study is to examine the relationship between the independent variables of Transformational Leadership, Organizational Culture and Interpersonal Communication to the dependent variable of Performance either individually or simultaneously. The research was conducted on proportional randomly selected 285 public servant teachers of Junior High schools in Jambi Province, Indonesia. Using mix method, 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: Transformational Leadership to teachers' performance=0.408,Organizational Culture to teachers' performance=0.429,Interpersonal Communication to teachers' performance = 0,377 and when tested together it produces coefficient of determination = 0.312 indicating the existence of other 68.8 % variables not including in the model affecting teachers' performance within the state Junior High school teachers' working environment.