; and (B) the most recent evaluation conducted pursuant to section 6(b)(4). (f) Supplement not supplant Subgrant funds awarded under this section shall supplement, not supplant, other Federal or State funds available to carry out activities described in this section. 5. Advisory board (a) In general The Secretary shall establish within the Department of Education an Advisory Board to carry out the duties described in subsection (d). (b) Membership The Advisory Board shall be composed of not fewer than 5 members, appointed by the Secretary— (1) who have— (A) expertise in designing and administering elementary and secondary tutoring programs; or (B) experience in program evaluation and evidence-based policy development; and (2) including at least 1 member who is an educator or representative of an educator union. (c) Terms Each member shall be appointed for a term of 4 years and may be reappointed for additional 4-year terms. (d) Duties The Advisory Board shall: (1) Evaluate and approve, in coordination with State educational agencies, plans submitted under section 4(c)(2) to ensure that local educational agencies— (A) will meet the tutoring program requirements under section 6(b) and will implement programs so as to have the greatest impact on student academic outcomes, including by considering— (i) the quality and appropriateness of the instructional method; and (ii) the degree to which instructional choices are supported by evidence or are appropriate to the setting, such as using virtual tutoring when in-person tutoring is not feasible; and (B) will conduct evaluations of the tutoring programs in partnership with State educational agencies and government or nonprofit research organizations or researchers. (2) Provide technical assistance and guidance to State and local educational agencies receiving a grant or subgrant under this Act with respect to— (A) maintaining the student-to-tutor ratio required by the Advisory Board