Discipline bases admission to bachelor's and master's degrees at St. Thomas College Pathanamthitta, which stands among prestigious institutions that feature diversified undergraduate and postgraduate programmes. The St. Thomas College admission process is structured mainly depending on the Centralised Allotment Process (CAP) as per the notification touched by the University.

The announcement of the CAP by the affiliated university usually heralds the beginning of the admission cycle. Undergraduate programmes-the distribution is: 50% of the total seats allocated under General Merit for filling and 20% of the total seats allocated under Reservation Merit. This would ensure that the students represent a fair diversity. A similar pattern is seen in postgraduate St.