make this paragraph shorter: In summary, leadership is crucial for the successful execution of teacher assessment systems. The differing school examples in the text highlight this importance. Effective leadership and a positive change attitude can boost the success of teacher assessment systems. In contrast, fear-inducing and change-resistant leadership that neglects professional growth can obstruct these systems. Walstrom and Louis (2008) adds, leaders should cultivate a supportive environment, embrace change, and prioritize professional growth for successful system implementation. This case study was an eye-opener for understanding leadership styles' impact on teacher assessment systems, offering clear examples of practices to adopt or avoid for success