(c) an adult, other than a person mentioned
in paragraph (a) or (b) , who is interested in the school’s welfare.
(3)
The following persons are eligible to be members of a parents and citizens
association formed for an educational institution established under section 14—
(a) a staff member of the institution;
(b) an adult, other than a person
mentioned in paragraph (a) , who is interested in the institution’s welfare.
(4) A State instructional institution’s principal is a member of a parents
and citizens association formed for the institution.