The following year (1930/'31) he coached the Norwich Cadets prior to passing on a tendered offer by Boston Bruins in order to accept a teaching/coaching position at Northwood School in Lake Placid, New York.

Fullerton hired the first female assistant coach (Laura Stamm) to teach power skating and in 1964 had a Brown co-ed (Nancy Schieffelin) suit up and practice with the men.

[2] Following retirement in 1970, Fullerton remained active with summer youth hockey camps, coaching US entry in the FIS World University Games (Lake Placid, NY).

In 1978, Hastings House Publishing Co. printed and marketed 8,000 copies of Fullerton's book Ice hockey: Playing and Coaching.

The U.S. Hockey Hall of Fame honored Fullerton along with his good friends and peers, Len Ceglarski and Amo Bessone, as enshrinees in 1992.

He is buried at Arlington National Cemetery in recognition of his more than 30 years of service as an active and reserve officer of the United States Army.