Political groups spent $12 million to defeat CTU candidates. One losing race cost $76 per vote.

Summary

<p>Political spending groups funded by an area billionaire seeking to defeat the Chicago Teachers Union in historic school board elections on Tuesday may have won their preferred president, thanks to their infusion of millions.</p><p>But in several school board district races, they spent their biggest money per vote — only for those candidates to lose, a Chicago Sun-Times analysis has found.</p><p>Common Ground Collective, which shelled out the most money by far through Nov. 2 — about $7 million — spent as much as $45 per vote to sway unsuccessful district races. Most of the cash spent by its…

Description from Chicago Sun-Times.