The Morongo Unified School District Board of Trustees will hold a special meeting Wednesday morning, March 18. The board will meet in closed session to conference with labor negotiators and with legal counsel. The board will then meet in open session to discuss and take possible action on an extension of school closures. The meeting will be held at 9 a.m. at the school district offices, 5715 Utah Trail, in Twentynine Palms.