The Miami-Dade County school board could become the state’s first school system to join plaintiffs in federal multidistrict litigation and seek damages over the BP oil spill.

With an April 20 deadline set to join federal litigation, the board will consider a proposal by school board member and attorney Raquel A. Regalado to authorize a lawsuit at next Wednesday’s meeting. Approval would give Superintendent Alberto Carvalho the green light to sue.