本研究以兩位成功校長為研究對象，透過質性研究的厚實敘寫以及理論與實務的反覆對照深化，深度探索校長成功領導學校的領導行為與實踐，並分別歸納出具體可行的原則與作法，以及對於校長領導實務、領導理論以及未來研究的建議。透過訪談與分析，本研究獲得如下的分析結果與結論：首先，孔校長的成功領導以分層負責以及完全授權為核心，以走動領導與啟發式溝通為實踐的方法，透過各處室能力的提升，培育各處室獨立作戰與問題解決的能力，學校進入穩定成長期之後，各處室能力皆已成熟，孔校長則以無為而治的領導風格進行學校領導。程校長的領導以教學領導與學習型組織為核心，以教育愛為堅實之理念基礎，透過不斷的問題解決歷程以及環境要素的改善與提供，提升教師的教育信念與教學能力，同時亦提升學生的學習態度、方法與自信，造就學校經營效能飛越式的進步。 本研究對於領導的結論與實務建議如下：（一）欲成為校長的教育工作者應對於自我的特質深切省察；（二）清廉是校長成功領導的基礎條件；（三）善用學校既存問題的解決機會展現校長領導能力；（四）理念正確與堅持力是校長領導成功的致勝關鍵；（五）與學校成員理念與價值觀的溝通應先於（優於）命令與規定；（六）校長在學校組織成員心中未建立信賴感或心服感之前避免躁進；（七）校長應忽略自己的面子問題，並能夠謹慎處理部屬的面子問題；（八）要成為成功校長之前必須先學會如何避免誤觸導致失敗的領導地雷；（九）民主化校園中，校長必需強化本身的溝通能力；（十）成功校長需有能力將關懷行為作為一種倡導行為使用；（十一）成功校長具備優異的問題解決能力；（十二）成功校長需具備消解學校派系的能力；（十三）成功校長能夠掌握各領導理論的基本精神並靈活綜合運用，而非僵化的施行單一領導理論；（十四）成功校長能夠提升學校成員的道德判斷層次並以高層次需求為訴求；（十五）校長對於組織成員個別要求與態度應「知所權變」；（十六）學校變革宜溫和，「在和諧中求進步」；（十七）以環境與風氣改變部屬是至柔且最易成功的領導作法。 / The main participants of this study are the two successful principal in Taiwan’s middle school. Using a qualitative research approach, analysis was done regarding both theoretical and practical applications of school leadership. In-depth exploration of successful leadership of the school principal's leadership behavior and practice were also accomplished. Results were then classify and organized into principles and practices. Recommendations were done on the practice for the leadership of principals, leadership theory, and future researchers. Results are as follows: (1) Principal Kong’s leadership is decentralized and fully authorized as core, leadership by walking around and inspiring communication as a technique, enhancing the ability of each school administrative departments and nurture their independent operation and problem solving capability, hence, the school shall goes into a stage of long-term stability. Principal Kong’s leadership style is a low intervention but decentralized and fully authorized. (2) Principal Cheng’s leadership is focused on instructional leadership and learning organization as the core to school leadership, in addition of the solid foundation in the concept of education love, and through the continuous process improvement and problem-solving with the improvement of school environment, hence upgrade the educational beliefs of teachers and teaching ability, which also enhance the students learning attitude, methods and self-confidence, resulting in the swift operating performance and advancement of the school.