The Chicago Teachers Union reached a deal with Chicago Public Schools on a new contract, capping off nearly a year of negotiations.

CTU leaders called the four-year deal a “historic achievement” that represents the fulfillment of promises Mayor Brandon Johnson made to transform CPS into a school district that offers a well-rounded education to every Chicago child and security to its employees.

The Chicago Teachers Union shared some details of what their new tentative agreement with CPS contains, including what the district calls the largest raise for teachers in 13 years.

After nearly a year of tense negotiations, the Chicago Public Schools and the Chicago Teachers Union have reached a tentative deal on a new contract, and while it could avert a teachers' strike, nothing is signed and sealed just yet.

The agreement marks a significant moment in labor relations between the union and CPS. It is the first time in 15 years that CTU leadership has reached a contract agreement without first taking a strike vote. In previous years, the union went on strike under former mayors Lori Lightfoot and Rahm Emanuel.

Mayor Brandon Johnson — who campaigned on promises to transform CPS into a school district that offers a well-rounded education to every Chicago child and security to its employees — is caught in another bruising political battle that has,

A deal appeared at hand Thursday, but the two sides could not finalize terms and bargained into the evening. Once a deal is set, the union’s “big bargaining team” has to approve it.

It reaffirms sanctuary school protections, assures the ability to teach Black history and gives veteran teachers raises.

For the first time in 15 years, the city and union reached a deal without a strike or strike vote. The agreement will increase spending by $1.5 billion, mostly for raises.