Webann arbor school district voters ok $1 billion bond, largest in michigan since 1994 the proposal was approved with 11,880 (53%) casting votes in favor, while 10,524. Upgrade classrooms and labs. Improve natural light, air quality, sound. Enhance performing arts spaces. Webon november 5th, 2019, voters approved a bond proposal to upgrade school facilities and sites, enhance security, and provide sustainable learning environments throughout ann. Webon november 5th, 2019, voters in the ann arbor public school district approved a bond proposal to upgrade school facilities and sites, enhance existing building security, and. (ap) — voters in the ann arbor school district have approved a $1 billion bond proposal, the largest in michigan since 1994. The district says the money will. Webwhat it would pay for.