In 1952, he accepted the job as athletic director at Penn State. During his 18 years at Penn State, McCoy also served as Dean of the College of Health, Physical Education and Recreation. He shepherded the redesignation of the college in 1963, changing its name from the College of Physical Education and Athletics. and later on the highly coveted NCAA Executive Committee and Council, its policy-making body, and also served as vice-president and secretary-treasurer of the NCAA. He was also a past president of the Eastern College Athletic Conference. Paterno went on to win over 400 games and two
national championships as Penn State's head coach. When the Nittany Lions traveled to
Pasadena in 1966 to play the
UCLA Bruins, McCoy met with the local press. While acknowledging that Penn State was rebuilding, he guaranteed that the team would make Pennsylvanians proud: "We may not be big enough, or strong enough, and we may not have enough experience for UCLA. But the folks back in Pennsylvania are going to be proud of our team. They'll be in there trying all the way." McCoy did play a key role in building a program that made the State of Pennsylvania proud. In an interview in 2007, Paterno credited McCoy as "the guy who really turned this whole athletic program around." In June 1970, McCoy announced his retirement after 18 years at Penn State.
The Daily News in
Huntingdon, Pennsylvania reported at the time: "Trying to separate Ernie McCoy from athletics is like trying to separate an Englishman from his tea -- it's next to impossible." ==University of Miami==