Jessica Biggs defeated CTU-backed Hilario Dominguez for president of the board. CTU candidates claim just 9 of 21 spots on Chicago Public Schools board Jessica Biggs defeated CTU-backed Hilario Dominguez for president of the board. Candidates backed by the Chicago Teachers Union did not win a majority on Chicago’s first fully elected school board. CTU-endorsed Hilario Dominguez lost the race for board president to Jessica Biggs.