; and (ii) analyzing and summarizing the findings of high-quality research reviewed and included in the National Education Research Database developed under subsection (b); and (B) develop and disseminate evidence-based products or tools designed to improve teaching and learning in order to provide all students, particularly each subgroup of students, access to high-quality educational opportunities and to improve educational outcomes, particularly student academic achievement. (3) Coordination with regional educational laboratories The Evaluation and Evidence Use Commissioner shall ensure that the evidence-based practices, products, and tools of the What Works Clearinghouse are disseminated through the regional educational laboratories. (4) Evaluations (A) In general Not less than once every 5 years, the Evaluation and Evidence Use Commissioner shall conduct an evaluation of the effectiveness of the What Works Clearinghouse, the results of which shall be transmitted to the Committee on Heath, Education, Labor, and Pensions and the Committee on Appropriations of the Senate and the Committee on Education and the Workforce and the Committee on Appropriations of the House of Representatives, the Director, and the public. (B) Analysis Each evaluation under subparagraph (A) shall include an analysis of— (i) the quality, accessibility, and usefulness of products or tools for practitioners, education system leaders, and policymakers; and (ii) the extent of dissemination of tools and products, especially in rural, Tribal, and low-income communities. 156. Evidence use activities (a) In general In carrying out the mission of the Evaluation and Evidence Use Center, the Evaluation and Evidence Use Commissioner shall— (1) promote engagement between researchers, practitioners, education system leaders, and policymakers to effectively communicate the implications of scientifically valid research, statistics, and evaluations to support evidence use and continuous improvement