[4][5] In 1950, Stoll elected to forgo his final year of football eligibility so he could graduate early with a Bachelor of Science degree in education from the University of Minnesota.

[7][8] After the 1950 high school football season, Stoll jumped to the college ranks where he served as an assistant coach from 1951 to 1968.

Stoll served as the head coach at Wake Forest University from 1969 to 1971 [17] where he led the Demon Deacons to their first Atlantic Coast Conference (ACC) championship in 1970.

[20] Stoll's most notable season at Minnesota was in 1977 when he led the Golden Gophers to a 16–0 shutout victory over top ranked Michigan and a trip to the 1977 Hall of Fame Classic.

[23] After returning to the United States, Stoll was diagnosed with idiopathic cardiomyopathy, a degeneration of the heart muscle, of unknown origin.

[30] The Cal Stoll Award is given annually by MFCA to an individual connected to football in the State of Minnesota who has overcome adversity.