34 C.F.R. § 200.21
For each State that receives funds under subpart A of this part and under subpart 1 of part A of Title III of the ESEA, the Secretary must, beginning with the 2004-2005 school year, annually review whether the State has -
(a)
(b) A State must include all students who were enrolled in schools in the State for a full academic year in reporting on the yearly progress of the State.
(Authority: 20 U.S.C. 7325)
[82 FR 31695, July 7, 2017]