He qualified as an individual player at the May 19 California Interscholastic Federation Northern Regional Tournament held at Richmond Country Club, where he shot a 72. He finished fifth to advance to the state championships for the first time.
The top three teams and six individuals not on a qualifying team advanced to the championships. Monte Vista finished 10th as a team with a score of 402, and San Ramon Valley High finished sixth with 388. San Ramon's Cole Pickavance finished with a 74.
Corbett has been on the Monte Vista varsity golf team for the past three years. He was the only golfer from the 12 schools that played in the tournament who advanced to the CIF state championships.