Our Voice, Our Community, Our Future. In 1990, the Tucson Mayor and Council and the Pima County Board of Supervisors established, through resolution, established the 34-member Metropolitan Education Commission (MEC). The MEC was the first in the United States to bring city and county government entities together with leaders from public and private schools, businesses, government, social services, and the Hispanic-Native-African-Asian-American communities, and youth to address all areas affecting the educational welfare of Tucson and Pima County Citizens.