Gord Ferguson has confirmed he was terminated but refused further comment.
School officials have also declined to comment, saying it is a personnel and legal matter.
Calgary police had said at the time the student's actions were sanctioned by an instructor and were part of a project to perform and record an act of protest.
Some students in the cafeteria called police after seeing the student kill the chicken with a knife, then pluck it and clean it.
No criminal charges were laid.