The legislative body of each town joining in the establishment of such a committee shall appoint to such committee five members at least two of whom shall be members of the board of education of such town. The town clerk of each town shall immediately give notice of the appointments made to the Commissioner of Education. Within thirty days of receipt of the last of such notices, the commissioner shall appoint a consultant to such committee. The consultant shall call the first meeting of the study committee within ten days after such appointment.