; (B) receives concurrent instruction during the year described in subparagraph (A) from the partner institution, which may be courses taught by local educational agency personnel or residency program faculty, in— (i) the teaching of the content area in which the teacher will become certified or licensed; (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, earns a master’s degree or other appropriate advanced credential, 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) Teacher leader The term teacher leader means a highly 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