Mass. Gen. Laws ch. 43 § 34
No site for a school building shall be acquired by the city unless the approval of the site by the school committee is first obtained. No plans for the construction of or alterations in a school building shall be accepted, and no work shall be begun on the construction or alteration of a school building, unless with the approval of the school committee and the mayor under Plan A, B, C or F or with the approval of the school committee and the city manager under Plan D or E. The mayor or, in a city under Plan D or E, the city manager shall notify the school committee in writing prior to or at the time of each change in plans after work is begun. This section shall not require such approval for the making of ordinary repairs.
Mass. Gen. Laws ch. 43, § 34