to the extent practicable, are appropriate for a population of children that includes—
(aa)#
different age groups;
(bb)#
English learners;
(cc)#
children with disabilities; and
(dd)#
Native Americans, including Indians, as the term is defined in section 5304 of title 25 (including Alaska Natives within the meaning of that term), and Native Hawaiians (as defined in section 7517 of title 20 ).