34 C.F.R. § 300.642 – Data reporting.

(a) Protection of personally identifiable data. The data described in section 618(a) of the Act and in § 300.641 must be publicly reported by each State in a manner that does not result in disclosure of data identifiable to individual children.
(b) Sampling. The Secretary may permit States and the Secretary of the Interior to obtain data in section 618(a) of the Act through sampling.
(Approved by the Office of Management and Budget under control numbers 1820-0030, 1820-0043, 1820-0518, 1820-0521, and 1820-0517)
(Authority: 20 U.S.C. 1418(b))