City officials did not say what the "next generation" system will be in place, however.
Winter break starts Dec. 23 because Christmas is on a Monday this year.
After the 7-cent tax was imposed, 20 percent more Chicagoans made a note and brought a tote.
Parents are encouraged to tag their social media posts with the hashtag #CountOnMe.
The girl was playing outside when the man tried to kidnap her Sunday, police said.
A Library of Congress collection includes hundreds of cool turn-of-the-century Chicago photos.
The site, devoted to photos and articles about Chicago's past, has nearly 75,000 followers.
Most recently, a 19-year-old man was shot in Auburn Gresham.
Among those injured were two 17-year-old boys.
The attorney general blamed undocumented immigrants for Chicago's rising murder rate.
Commissioner Ginger Evans will complete her review of airport security in two weeks, the mayor said.
Jack Dudley was arrested after the Wednesday incident at a Loop bank.
In all, 1,620 miles of city streets have been repaved since Mayor Rahm Emanuel took office in 2011.
City watchdog Joseph Ferguson released the data to help Chicagoans understand the police department.
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