; (ii) pedagogical practices; and (iii) leadership, management, organizational, and instructional skills necessary to serve as a principal or other school leader; (C) acquires effective teaching or leadership skills; and (D) prior to completion of the program, attains full State teacher, principal, or school leader certification or licensure, and becomes profession-ready. (28) School leader The term school leader has the meaning given the term in section 8101 of the Elementary and Secondary Education Act of 1965. (29) School leader preparation entity The term school leader preparation entity means an institution of higher education or a nonprofit organization, including those institutions or organizations that provide alternative routes to certification, that is approved by the State to prepare school leaders to be effective. (30) School leader preparation program The term school leader preparation program means a program offered by a school leader preparation entity, whether a traditional or alternative route, that is approved by the State to prepare school leaders to be effective and that leads to a specific State certification to be a school leader. (31) School leader skills The term school leader skills refers to evidenced-based competencies for principals and other school leaders such as— (A) shaping a vision of academic success for all students; (B) creating a safe and inclusive learning environment; (C) cultivating leadership in others; (D) improving instruction; and (E) managing people, data, and processes to foster school improvement. (32) Teacher leader The term teacher leader means an effective educator who carries out formalized leadership responsibilities based on the demonstrated needs of the elementary school or secondary school in which the teacher is employed, while maintaining a role as a classroom instructor who— (A) is trained in and practices teacher leadership; and (B) fosters a collaborative culture to— (i) support educator development, effectiveness, and student learning