DeMarques is a three-time letterman in football, two-times in track and field and once in basketball at Grant. He was named 1st team all-conference quarterback and Offensive Player of the Year as a senior and a 2nd team all-conference quarterback as a junior in the Portland Interscholastic League. He was also an honorable mention All-State selection after compiling nearly 2,000 yards throwing and 1,000 yards rushing. Off the field, DeMarques holds a 3.25 GPA while participating in the Black Student Union and Self Enhancement Inc. at Grant. Although undecided on his college plans, he does plan to play football.