Town and school boards are holding a joint meeting Monday to discuss potential next options for the Maquan and Indian Head elementary schools. Two successive town meetings — one in October and the other this past Jan. 27 — rejected a proposed $58.4 million appropriation to build a combined new kindergarten to Grade 5 elementary school to replace the Maquan and Indian Head schools, both of which have significant facility needs. The Massachusetts School Building Authority had agreed to pay $29 million of the costs. After the most recent vote, the school building committee decided to organize a meeting with multiple boards to try and reach a consensus on how to proceed. The other participating boards will be the selectmen, the Whitman-Hanson Regional School Committee, and the town’s finance and capital improvement committees. The public is also invited to attend and speak at the meeting, which will be held at 7 p.m. at the regional high school.