391429 06: A young student in Ms. McFaul''s second grade Early Intervention Bilingual class looks closely at a math exam during a summer school June 3, 2001 at Brentano Academy in Chicago. More than half of Chicago''s 430,000 public school students must attend summer school this year before they can go on to the next grade, Chicago Public School officials say. Former Chicago schools chief Paul Vallas said about 245,000 pupils failed to score high enough on the Iowa Tests of Basic Skills to be promoted. (Photo by Tim Boyle/Getty Images)
Happy Columbus Day -- do you have the day off?
All government offices and courts in Chicago, Cook County and the state took the day off, as well.
The CTA keeps weekday schedules, but your mail won't be delivered until Tuesday.