Each county board shall establish at least one citizen advisory committee to advise the board and to facilitate its activities and programs in the public schools. Similar advisory committees may be established for: An individual school; or A group of schools within a region. A committee established under this section may include parents, teachers, students, and other citizens as members. This subsection applies only in Prince George’s County. A citizen advisory committee established by the Prince George’s County Board of Education shall reflect, to the extent practicable, the geographic, racial, ethnic, cultural, and gender diversity of the county.