; (2) have substantial knowledge of— (A) statistical methodologies and activities undertaken by the Statistics Center; and (B) Federal privacy and data confidentiality laws, guidance, and regulations; and (3) serve as the statistical official designated for the Department in accordance with section 314 of title 5, United States Code. . 143. Duties Section 143 ( 20 U.S.C. 9543 ), as redesignated by section 102, is amended— (1) in subsection (a)— (A) in the matter preceding paragraph (1), by striking The Statistics Center and all that follows through nations and inserting The Statistics Commissioner shall collect, report, analyze, and disseminate valid and reliable statistical data related to education from early childhood through postsecondary study in the United States and in other countries ; (B) in paragraph (1)— (i) in the matter preceding subparagraph (A)— (I) by inserting (where appropriate, using universal or sampling methodologies or analysis of administrative data) after collecting ; and (II) by striking preschool, elementary, secondary, postsecondary, and adult and inserting early childhood, elementary, secondary, postsecondary, workforce, and adult education ; (ii) in subparagraph (A), by striking reform activities and inserting activities to ensure all children, and particularly each subgroup of students, have access to high-quality educational opportunities ; (iii) by redesignating subparagraphs (H) through (O) as subparagraphs (L) through (S), respectively; (iv) by striking subparagraphs (D) through (G) and inserting the following: (D) special education services and supports; (E) (i) secondary school completions (disaggregated by attainment of a regular high school diploma or a recognized equivalent of a diploma); (ii) secondary school graduation and completion rates, including the four-year adjusted cohort graduation rate (as defined in section 8101 of the Elementary and Secondary Education Act of 1965) and the extended-year adjusted cohort graduation rate (as defined in such section)