Homewood police officers responded at about 11:20 a.m. on Friday to a report of shots fired near 187th Street and Center Avenue.
Investigating officers found shell casings in the vicinity but did not locate anyone who might have been a victim or perpetrator.
Both James Hart School and Churchill School were placed on lockdown while officers searched the area, police said. Churchill School is about three blocks from the site where the shots reportedly were fired. James Hart is about five blocks away.
Police encourage anyone who may have information about this incident to contact the Homewood Police Department Criminal Investigations Unit at 708-206-3420.