; and inserting “ethnic group, including— (aa) under the category of Asian American , Chinese, Asian Indian, Filipino, Japanese, Korean, Vietnamese, Pakistani, Cambodian, Hmong, Laotian, Thai, Taiwanese, Burmese, Bangladeshi, and Nepalese sub-groups, and, to the greatest extent practicable, additional subgroups such as the lu Mien and Montagnards; and (bb) under the category of Native Hawaiian and Pacific Islander , Native Hawaiian, Samoan, Chamorro, Tongan, iTaukei, and Marshallese, and, to the greatest extent practicable, additional subgroups such as the Chuukese and Palauan. . (b) Further defining subgroups under statewide accountability system Section 1111(c)(2)(B) of that Act ( 20 U.S.C. 6311(c)(2)(B) ) is amended by inserting (as described in subsection (b)(2)(B)(xi)(I)) after ethnic group . 4. Guidance on collecting and reporting ethnic data The Secretary of Education, in consultation with the Director of the Institute of Education Sciences, shall develop guidance related to whether and when the reporting requirements described under section 1111(b)(2)(B)(xi)(I) of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6311(b)(2)(B)(xi)(I) ) will yield statistically reliable information. Such guidance shall help to inform the minimum number of students that will maximize data reporting for each major racial and ethnic group.