Sentiunt De Scientia 17′, the annual science day of Dudley Senanayake Central College was held on 24th October 2017 from 9.00 a.m onwards at the school main-hall.  Senior Lecturer in Institute of Molecular Biology and Biochemistry in University of Colombo, and a proud Senanian,  Dr. Sameera R. Samarakoon attended the event as the chief guest.

         Kegalu Balika Vidyalaya has won the championship in the competition for the invited schools while the Kegalu Vidyalaya took the runner-up honours.