Sampathawaduge Maxwell Grenville Silva, who excelled in both studies and sports, joined Governmental service as a Catholic priest (under Archbishop Emeritus of Colombo) and he eventually received an appointment as the Principal of St Thomas' College Kotte.
He excelled in both studies and in sports. He was the first to join the Governmental service as a Catholic priest under the direction of Archbishop Emeritus of Colombo and was posted to St. Joseph's College, Grandpass as his first appointment. Subsequently, he was assigned as the Vice Principal of the Ragama Basilica College and his final appointment was as the Principal of St Thomas' College Kotte which he relinquished upon his elevation as the Auxiliary Bishop of the Archdiocese of Colombo. 
