The purpose of the study was to analyze the structural relationships between principals’ compassionate rationalism
leadership, teachers’ shared leadership, learning organization culture of school, positive psychological capital, and
organizational effectiveness of school. Research questions of this study were as follows: First, do principals’
compassionate rationalism leadership, teachers’ shared leadership, learning organization culture of school, positive
psychological capital have effects on organizational effectiveness of school? Second, do principals’ compassionate
rationalism leadership, teachers’ shared leadership, learning organization culture of school have effects on
teachers’ positive psychological capital? Third, do principals’ compassionate rationalism leadership, teachers’
shared leadership have effects on learning organization culture of school? Fourth, does principals’ compassionate
rationalism leadership have an effect on teachers’ shared leadership? To achieve the research purpose, the
sample(n=955) was drawn from teachers at 49 middle schools. In order to verify the hypothesized research
model, the collected data were analyzed with structural equation modeling(SEM) using AMOS 18.0 and SPSS
18.0 programs. The major findings of the study were as follows: First, principals’ compassionate rationalism
leadership had indirect meaningful and positive influences on school organizational effectiveness, and teachers’
shared leadership, learning organization culture of school, teachers’ positive psychological capital had direct
significant positive influences on organizational effectiveness of school. Second, principals’ compassionate
rationalism leadership, teachers’ shared leadership, learning organization culture of school had direct significant
positive influences on teachers’ positive psychological capital. Third, principals’ compassionate rationalism
leadership had direct significant positive influences on learning organization culture of school, also, principals’
compassionate rationalism leadership had indirect significant positive influences on learning organization culture of
school through the intervening teachers’ shared leadership. Finally, principals’ compassionate rationalism leadership
had direct significant positive influences on teachers’ shared leadership.