Inside the four corners of every classroom lie young minds waiting to be nurtured into productive and responsible citizens of the future. Behind each successful learner stands a teacher, an unsung leader who views education not merely as a profession but as a vocation, a mission, and a legacy of hope and transformation. A teacher's leadership is not measured by authority, but by influence and inspiration, reflected in the teacher who motivates a shy student to speak, helps struggling learners discover their strengths, and encourages all students to persevere despite difficulties. Leadership in teaching, therefore, is not about control but about empowerment—guiding students to realize their potential and purpose. Recent empirical studies underscore this, showing that teacher leadership practices significantly correlate with improved student outcomes, including higher engagement and academic performance, particularly in diverse contexts like senior high schools. As educational systems evolve amid global challenges such as post-pandemic recovery and equity demands, teacher leadership emerges as a critical driver for fostering inclusive, innovative learning environments.