Raines played his scholastic lacrosse at Westminster School winning a state championship in 2015 and finishing his high school career at Avon Old Farms. Rated as the No. 3 freshman defenseman by Inside Lacrosse heading into 2018, Raines was voted to the Under Armour All-America team as a senior at Avon. A US Lacrosse All-American, Raines played longstick middie at Duke University and was a 4-time member of the ACC Academic Honor Roll.