Votes for Chicago's first fully elected school board are rolling in. What you need to know about all 21 races

When Chicagoans are making history Tuesday as they elect all 21 members of the city’s school board for the first time.The showdown for the school board was the marquee race on the ballot, with Gov. JB Pritzker easily winning a third term and Lt. Gov. Juliana Stratton securing retiring U.S. Sen. Dick Durbin’s seat.Many are closely watching the citywide race for school board president — a powerful position that sets the board’s agenda and, until now, has never been elected. Sitting school board member Jessica Biggs has declared victory in that race, though the Associated Press had yet to call that contest as of 10:30 p.m.Political action committees and individuals funneled more than $5 million into that heated three-way race, which also included former deputy political director for the Chicago Teachers Union Hilario Dominguez and prominent defense attorney Victor Henderson.How the balance of power shakes out on the school board could be a harbinger of February’s mayoral race. Mayor Brand