A Chicago suburb is mourning the loss of a high school freshman who died Sunday after suffering a stroke during swim practice ... James Oliver, a 14-year-old student at Geneva High School, collapsed at West Chicago High School on Dec. 8, and suffered an AVM stroke and brain hemorrhage, school officials told parents ... He died on Sunday night after weeks in the hospital. The teen’s sudden death has left the community stunned. “He just brought me so much joy, as he did many other people,” swim coach Jennifer Heyer-Olson