Chicago's TIF Districts Captured $1.59 Billion in 2024. Schools Got a Statutory Cut of Two of Them.

Chicago has 108 active tax-increment financing districts.▸ Two of them are required by state statute to send any of their growing property-tax revenue back to Chicago Public Schools. The other 106 are not, and by design they don't — that's the entire mechanism of a TIF: freeze a district's property value, route every dollar of tax growth above that frozen line to the TIF instead of to the schools, parks, and county government that would otherwise collect it. In tax year 2024, that mechanism pulled $1.59 billion out of Chicago's property tax base — a 16.6% jump from 2023 — according to Cook County Clerk Monica Gordon's office, which tabulates the tax bills. Nine months earlier, CPS had written in its own FY2026 budget book that if TIF revenue were shared the way its two Transit TIFs share it, the district "could yield over $650 million in annual revenue." Instead, CPS is now cutting teachers and administrators to close a deficit bigger than that entire sum.

A TIF isn't a tax increase.▸ It's a redirection: the county clerk calculates each taxing body's normal levy against a property's frozen 2024-or-earlier value, and every dollar of tax generated by value growth above that line is diverted to the TIF district instead. Traditional Chicago TIFs — the other 106 — keep every cent of that growth until the TIF expires (typically 23 years, extendable to 47) or the City voluntarily declares a "surplus." Only Chicago's two Transit TIFs, created in 2016 and 2022 to fund CTA Red and Purple Line work, operate under a different statute (65 ILCS 5/11-74.4-8) that forces a cut back to other taxing bodies every year, without waiting for a surplus declaration or an expiration date. In 2024, those two Transit TIFs generated $368.1 million combined — and even then, CPS's statutory share was capped at 54% of that:

The other 106 TIFs — including the ten downtown districts that alone generated $982 million, 61% of the city's TIF total — owe schools nothing until the district votes to declare a surplus.▸ When it does, CPS's own budget book notes CPS is entitled to roughly 52% of that surplus by law, the City keeps about 23%, and the rest splits among the county, the parks, the water reclamation district, and other local bodies. But a surplus is the City's call, not a formula applied to the $1.59 billion collected this year. For FY2026, CPS budgeted receiving $379.0 million in TIF surplus — up from $298.1 million the year before, and still $271 million short of the $650 million CPS itself says the whole program could generate annually if it worked the way the Transit TIFs do.

CPS is funded, by the state's own Evidence-Based Funding formula, at just 73% of what Illinois defines as "adequate" — down from 79% a year earlier and 81% in FY2024, an eight-point drop in two years, per CPS's FY2026 budget book.▸ That same budget book, written in August 2025, forecast a $520 million structural deficit for the 2026-27 school year after every fix it could find. The real number, CPS officials told principals on May 12, 2026, came in $212.5 million worse: $732.5 million. CPS declined to give WBEZ and the Chicago Sun-Times an exact layoff count, but reporters' own analysis — built on CPS's stated caps of four lost teachers per elementary school and six per high school, against the district's roughly $100,000 average teacher salary — puts the number at 700 to 800 classroom teaching positions, saving an estimated $70 million to $80 million. Separately, Kia Banks, president of the Chicago Principals and Administrators Association, told the Sun-Times her union's initial estimate is that more than 120 assistant principals will lose their positions, concentrated at CPS's smallest schools.

Put the two organizations' own numbers side by side and the arithmetic is plain: the County Clerk's office recorded $1.59 billion moving into TIF accounts in 2024 alone.▸ CPS's own budget office says full, formulaic sharing of that program — the Transit TIF model applied everywhere — would net the district over $650 million a year, which would close 89% of the deficit it is now cutting teachers and assistant principals to plug. What CPS actually gets, at the City's discretion, is $379 million: enough to cover about half the gap, and less than a quarter of the property tax growth Chicago's TIF districts capture in a single year.

This piece covers Cook County and City of Chicago Tax Increment Financing districts specifically; TIF law and revenue-sharing rules vary by state and this analysis does not generalize beyond Illinois's statute.