The CPS school year could end June 1 unless there's an infusion of cash in the next week.
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.
The project also will highlight the neighborhood's people, topography and social mobility.
Parents are encouraged to tag their social media posts with the hashtag #CountOnMe.
Four people have been killed and seven wounded in shootings since Sunday.
The shooting happened near South Yale Avenue and West 97th Street.
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.
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