; and (ii) during the third year of the grant period, grant funds may pay not more than 33 percent of such stipend; and (E) may require teacher leaders to pay back the cost of attaining the credential described in paragraph (2)(A)(ii) if they do not complete their term of service in the teacher leader development program. (5) Teacher leader defined In this subsection, 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; (ii) support access and use research to improve practice and student learning; (iii) promote professional learning for continuous improvement; (iv) facilitate improvements in instruction and student learning; promote the appropriate use of assessments and data for school and district improvement; (v) improve outreach and collaboration with families and community; (vi) advance the profession by shaping and implementing policy; and (vii) advocate for increased access to great teaching and learning for all students. . (b) Conforming amendment Section 202(c)(2) of the Higher Education Act of 1965 ( 20 U.S.C. 1022a ) is amended by striking leadership development program and inserting teacher leader development program . (c) Authorization of appropriations Section 209 of the Higher Education Act of 1965 ( 20 U.S.C. 1022h ) is amended by striking for fiscal year 2009 and such sums as may be necessary for each of the two succeeding fiscal years and inserting for fiscal year 2019 and such sums as may be necessary for each of the 5 succeeding fiscal years .