The commissioner, department of education, is authorized to arrange with institutions and with school boards of towns or city districts in the state to furnish the necessary buildings, equipment, and additional funds required in carrying out the provisions of the federal acts, so far as those acts apply to this state; and school districts are authorized to enter into such contracts with the commissioner. The commissioner is further authorized to approve certain schools and educational institutions within the state as vocational training centers for the purpose of enlarging the opportunities for such training and putting into effect the provisions of N.H. Rev. Stat. § 186:39 and to make suitable arrangements with such schools and institutions to receive pupils for vocational training who may not reside in the town or school district where such school or institution is located.