To ensure an orderly meeting and an equal opportunity for each speaker, persons wishing to address the Board must fill out a speaker's card. All meetings are open to the public, and the public is encouraged to attend.Meeting agendas for the Board of Supervisors, Housing Authority, standing committees, and special districts are available online. Us or call. 925-655-2000. The Contra Costa Board of Education uses BoardDocs, an online meeting records system. The Board of Directors holds regular Board meetings twice monthly, every first and third Thursday at p.m.