Complex sentence: However, following elections in 2006, the Missouri Board of Education decided to revoke the district's accreditation; this allowed the mayor, president of the Board of Aldermen, and the governor to appoint members to a three-person Special Advisory Board (SAB).
Split into simpler sentences: However, following elections in 2006, the Missouri Board of Education decided to revoke the district's accreditation. This allowed the mayor, president of the Board of Aldermen, and the governor to appoint members to a 3 person Special Advisory Board, (SAB).