Mass. Gen. Laws ch. 76, § 19

Every school committee shall appoint, make regulations governing and fix the compensation of one or more supervisors of attendance, who may be either male or female, and who shall meet such standards of qualifications for such work as shall be established by the department of education; provided, that such supervisors shall have attained the age of twenty-one years. The committees of two or more towns may employ the same supervisors of attendance.