This study analyzes the competitive advantage and organizational effectiveness at public universities that operate the Educational Institution of Education Personnel (EIEP) in Indonesia. The role of those public universities in this century needs to emphasize competitive advantage to compete with other universities and to achieve high organizational effectiveness. From the perspective of educational administration, competitive advantage affects organizational effectiveness. This study analyzes the effect of competitive advantage on organizational effectiveness. Using the survey and quantitative approach, the research was conducted at 12 public universities in Indonesia with population of 11,262 lecturers and the sample of 108 lecturers. The data were analyzed by descriptive, SEM-PLS, and quadrant analyses. The results in general reveal that competitive advantage and organizational effectiveness at 12 public universities are moderately high, but have not optimal yet. There are still several dimensions that need to be enhanced. Hypothesis testing shows that competitive advantage has a positive and significant impact on organizational effectiveness. The SARI Quadrant Analysis Model of all variables maps the positions of each dimension in each quadrant related to the focus of the action or strategy being performed: sustained, adjusted, repaired, and improved.