Teacher effectiveness refers to the ability of a teacher to facilitate student learning and improve academic performance. It is often measured by student outcomes, such as test scores and overall engagement in the classroom. Effective teachers employ various instructional strategies, adapt to different learning styles, and create a positive learning environment. Factors contributing to teacher effectiveness include classroom management, subject knowledge, and communication skills. Professional development opportunities, such as workshops and training, can also enhance a teacher's effectiveness. Ultimately, effective teachers play a crucial role in shaping students' educational experiences and fostering a love for learning.