At Archbishop Stepinac
O'Donnell was a dual-sport athlete, competing in Football and Lacrosse. The White Plains, NY native was named the "Most Improved Player" in 2008 for football and was the 2009 "Offensive Player of the Year" for lacrosse. A consistent figure on the Honor Roll, O'Donnell also won the "Senator Suzi Oppenheimer Award" and the "Order of the Crusader" Award.

Conor has  two TD catches in JV games so far this season. JV is 3-0 with wins over Union, Alfred & Uttica so far  this season.