In recognition of its service and to increase its efficiency still further, autonomy has been conferred on St.Xavier's College with effect from June 1987. In the autonomous set up, this College is free to determine the course pattern, frame its own syllabi for the various courses and adopt suitable methods of teaching and evaluation. The College is an affiliated First Grade College of the Manonmaniam Sundaranar University which will award degrees with the name of St.Xavier's College mentioned on them.
The College was accredited with Five Stars by the Ntional Assessment and Accreditation Council (NAAC) on 17th April 2000. The College was re-accredited with 'A' Grade by NAAC in April 2006.