The purpose of this study is to explore the relationships between principal cultural leadership and school effectiveness in elementary schools in central Taiwan. The foci include the status, the differences of teacher perception in terms of different background, the correlation, and the prediction of principal cultural leadership and school effectiveness. Questionnaire survey was adopted in this study. The subjects were sampling from teachers of public elementary schools in Taichung City, Changhua County and Nantou County. 750 samples from 94 schools were surveyed. Data from 589 usable samples were analyzed with statistical techniques such as descriptive statistics, t-test, one-way ANOVA, Pearson product-moment correlation, and stepwise multiple regression analysis. The conclusions of this study were as follows: 1. The current status of teacher perception toward principal cultural leadership in elementary schools is above average. 2. The current status of teacher perception toward school effectiveness in elementary schools is above average. 3. There are significant differences on principal cultural leadership in elementary schools in terms of the seniority of the principal in this school. 4. There are significant differences on principal cultural leadership in elementary schools in terms of the age, seniority, school size and the principal seniority in this school. 5. There is highly positive correlation between principal cultural leadership and school effectiveness. 6. The principal cultural leadership variables can significantly predict school effectiveness.