The Trinity College Cadet Band finished All Island 10th and 2nd in Central Province at the All Island Western Cadet Band Competition 2022 organised by the National Cadet Corps from 6th to 13th September 2022 at NCCTC, Rantambe. The Cadet band secured the following places. 2nd Battalion – 2nd Place Kandy District – 2nd Place
The Trinity Cadets and the Cadet Band participated at the 72nd Independence Day parade of the Kandy District on 4th February 2020 at the Police Ground, Asgiriya. The cadet band lead the opening parade along with the Mahamaya College Cadet band. The Band is now lead by Sergeant Thamuditha Dissanayake (BW/23/028) who assumed duties as the Drum
On the 11th of November 2018, a special Armistice Centenary Service was held at the College Chapel to remember and honour the Trinitians who served in WWI and in all other conflicts. The service commenced at 9.30am with an opening hymn “All my hope in God is founded” sung by the College Choir, this was followed