Key components of effective teacher evaluation systems include clear criteria, comprehensive feedback, and professional development opportunities. Evaluations should assess teaching practices based on established standards and student outcomes, offering specific feedback that helps educators grow. Incorporating multiple measures, such as classroom observations, student surveys, and self-reflections, provides a holistic view of a teacher's effectiveness. Additionally, support for continuous professional development encourages teachers to refine their skills based on evaluation outcomes. Creating a culture of trust and openness around evaluations enhances their effectiveness, ultimately leading to improved teaching and learning experiences.