The school traces its roots to 1822 when the Cotta Institute was established as a seminary for young Ceylonese of which the first principal was Rev.

[1][2][3] From 1855 to 1934 it was known as the Church Mission Society (CMS) Boys' School at Sri Jayawardenapura Kotte.

The CMS Boys' School was a training institute for young Ceylonese, inclined to teach the gospel.

[citation needed] Mr. Gamini Hettiarachchi The Media Unit of the College Union was launched in the year 2021.

Start members Amila Salgadu Ruwan Lakshita Janith Chaturanga Singhe Alumni Media Unit (2021) center head is Mr. Amila Salgadu Mr. Janith Chaturanga Singhe is acting as the head of Media Unit Web - https://sjcunion.lk/ Head of Media Unit - Assistant Principal Janaka Prasanna Matarage Social media and Information Technology support - Janith Chathuranga Singhe