How Chicago Teachers Union spends its money

The Chicago Teachers Union, having rejected a new teachers contract, is in a high-stakes battle with Mayor Rahm Emanuel's administration.

And with more than $25 million a year in dues coming from 28,000 teachers and other school employees, CTU President Karen Lewis and her 77-member staff are a well-funded adversary for the mayor and his schools chief, Forrest Claypool, a Chicago Sun-Times examination of the union's financial filings shows.

The teachers union operates four separate tax-exempt corporations: the union itself, a political action committee, a charitable foundation and a not-for-profit company that, until recently, owned and operated an apartment tower at 55 W. Chestnut.

According to its most recent filings with the IRS, the union had $9.8 million in cash on hand at the end of the 2013-14 school year.

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