Cook County jurors awarded $21.5 million to the family of a boy who drowned at a park district pool while at a summer camp field trip.The award is higher than any previously reported drowning Illinois verdict or settlement, according to the Jury Verdict Reporter, a product of Law Bulletin Media.Jurors reached their verdict late Tuesday after a monthlong trial before Circuit Judge Marguerite A. Quinn. The Justice Park District was determined by jurors to be 80 percent at fault and the Bridgeview Park District 20 percent at …