本研究旨在瞭解臺北市教學輔導教師同儕式領導與夥伴教師教學效能之現況與關係。研究採問卷調查法，研究工具為「教學輔導教師同儕式領導與夥伴教師教學效能問卷」，研究對象為臺北市561位夥伴教師，並以描述性統計、Pearson積差相關以及線性結構方程模式進行分析。本研究結論如下：一、臺北市教學輔導教師之同儕式領導行為具高度表現；二、臺北市夥伴教師之教學效能具中高度表現；三、教學輔導教師同儕式領導與夥伴教師教學效能間具中度正相關；四、教學輔導教師同儕式領導對夥伴教師教學效能具有顯著正向的影響效果。本研究最後根據結論提出具體建議，以供教育實務及未來研究之參考。

The purposes of this study are as follows: 1. to explore the current situation of mentor teachers’ collegial leadership and mentee teachers’ teaching effectiveness in Taipei City, 2. to analyze the relationship between mentor teachers’ collegial leadership and mentee teachers’ teaching effectiveness. Research methods applied in this study include questionnaire survey called “Mentor Teachers’ Collegial Leadership and Mentee Teachers’ Teaching Effectiveness Inventory”. Participants are 561 mentee teachers in Taipei City. Data is analyzed by means of descriptive statistics, Pearson correlation, and Linear Structural Relationship. The main findings of this study are: 1. The degrees of mentor teachers’ collegial leadership are at high levels. 2. The degrees of mentee teachers’ teaching effectiveness are at middle levels. 3. There is a positive and significant correlation between mentor teachers’ collegial leadership and mentee teachers’ teaching effectiveness. 4. Mentor teachers’ collegial leadership has positive and significant effect on mentee teachers’ teaching effectiveness. According to the findings, suggestions for the implementation and further studies are proposed.