Brooks, a member of the Working Families Party (WFP), won a citywide at-large seat in the election to Philadelphia City Council on November 5, 2019.

[7] She also worked with the Parents United for Public Education and the Our City Our Schools coalitions, is on the Steering Committee of 215 People's Alliance, and founded Stand Up Nicetown, a group committed to ending gun violence.

[7] Brooks and Nicolas O’Rourke, a pastor, worked with the Pennsylvania chapter of the WFP to fundraise and organize a get out the vote campaign for the Council race.

[2] Philadelphia's seven at-large council seats are determined by limited voting, where voters casting five equally-weighted ballots for five candidates, and the overall top-five finishers (recently presumed to always be Democrats) are joined by the top two vote-getters from a minority party (recently always the Republican party), regardless of actual finish placement as per the Home Rule Charter of 1951.

[2][4][8] Brooks was endorsed by Council At-Large member Helen Gym, Philadelphia District Attorney Larry Krasner, Pennsylvania State Representatives Chris Rabb, Elizabeth Fiedler, Malcolm Kenyatta, Movita Johnson-Harrell, Brian Sims, Pennsylvania State Senator Art Haywood, and Massachusetts US Senator Elizabeth Warren.