In the chapter "Student Achievement through Staff Development" from *Designing Training and Peer Coaching: Our Needs for Learning* by Bruce Joyce and Beverley Showers, the authors emphasize the importance of training in enhancing teachers' professional repertoire and student achievement. They argue that training should not only impart new knowledge and skills but also help teachers become more effective learners. The key components of effective training, as identified by the authors, include knowledge acquisition, modeling, practice, and peer coaching. These components are crucial for achieving outcomes such as knowledge transfer, positive attitude changes, skill development, and executive control in classroom practice. The authors highlight that the effectiveness of training is closely tied to organizational support, strong school leadership, and cohesive team dynamics. They stress that all four components—theory, demonstration, practice, and peer coaching—are essential for successful training, especially when the goal is to facilitate classroom application. Peer coaching, in particular, is highlighted as a critical component, contributing to the transfer of training through frequent practice, adaptation to individual contexts, and enhanced understanding and application of new strategies. The authors also discuss the organizational challenges and benefits of implementing coaching within schools, emphasizing the need for collective commitment and structured planning. They suggest that peer coaching teams should focus on collaborative planning and development of curriculum and instruction, rather than evaluative or supervisory roles. Additionally, they provide practical recommendations for staff developers, including helping schools redesign their work environments, forming peer coaching teams early, and providing time for monitoring and evaluating the impact of new initiatives. Overall, the chapter underscores the importance of aligning training designs with intended outcomes, fostering a supportive organizational culture, and leveraging peer coaching to enhance teacher effectiveness and student achievement.In the chapter "Student Achievement through Staff Development" from *Designing Training and Peer Coaching: Our Needs for Learning* by Bruce Joyce and Beverley Showers, the authors emphasize the importance of training in enhancing teachers' professional repertoire and student achievement. They argue that training should not only impart new knowledge and skills but also help teachers become more effective learners. The key components of effective training, as identified by the authors, include knowledge acquisition, modeling, practice, and peer coaching. These components are crucial for achieving outcomes such as knowledge transfer, positive attitude changes, skill development, and executive control in classroom practice. The authors highlight that the effectiveness of training is closely tied to organizational support, strong school leadership, and cohesive team dynamics. They stress that all four components—theory, demonstration, practice, and peer coaching—are essential for successful training, especially when the goal is to facilitate classroom application. Peer coaching, in particular, is highlighted as a critical component, contributing to the transfer of training through frequent practice, adaptation to individual contexts, and enhanced understanding and application of new strategies. The authors also discuss the organizational challenges and benefits of implementing coaching within schools, emphasizing the need for collective commitment and structured planning. They suggest that peer coaching teams should focus on collaborative planning and development of curriculum and instruction, rather than evaluative or supervisory roles. Additionally, they provide practical recommendations for staff developers, including helping schools redesign their work environments, forming peer coaching teams early, and providing time for monitoring and evaluating the impact of new initiatives. Overall, the chapter underscores the importance of aligning training designs with intended outcomes, fostering a supportive organizational culture, and leveraging peer coaching to enhance teacher effectiveness and student achievement.