The news: A March study by the National Center on Family Homelessness found that one in 50 American children was homeless prior to the current economic crisis. Behind the news: As of February, 11,143 Chicago Public School students–” roughly 2.7 percent of the student body–”were classified as homeless during the 2008-2009 academic year, according to tracking data from the district’s homeless education program. The figure is an 18.3 percent increase from 9,419 recorded during the same period in the previous academic year. The current mid-year number already has topped the 2007-2008 cumulative total of 10,642. “I’m sure by June, we’ll surpass the 12,000 mark.