Tuesday, Burnett won the show's Tournament of Champions.
Burnett, who took home the $250,000 grand prize, is a world history teacher at Fenwick High School.
The 29-year-old plans on saving most of the money he won and moving his mother into a new home by May.
Burnett also won Jeopardy!'s teachers tournament in November 2012.
Jeopardy! airs weekday afternoons at 2:30 p.m. on ABC 7.