588. Each school committee shall be composed of from five to eleven members, including one member or delegate of the band council of the community in which the school is located. The number of parents on the school committee shall be fixed annually by a general assembly of the parents of the students attending the schools concerned, providing one parent representative from each school concerned is elected to the committee, and providing, if there are six or more students attending the school who normally reside in a community other than that in which the school is situated, at least one parent representative of such students is elected to the committee.