Choice, 17, along with 16-year-old Adrian Jones and 18-year-old Jimmie Avant drowned early Friday morning at Camp Algonquin in McHenry County.
The lawsuit seeks more than $800,000 in damages.
The mother of one of the three North Lawndale Prep students who drowned while on a leadership retreat last week is suing the school and the camp for negligence.Melvin Choice's mother Virginia filed the suit in Cook County Circuit Court Wednesday.