Dr. Clement Felix became the Headmaster in 1973. His public contacts were wide enough and he harnessed their good will and support for the school and its expanding programmes.soon the school registered an all time high in every sphere in strength on rolls,monetary reserves,curricular and building projects,results at examinations,sports and games. He started a number of curricular and building projects. The swimming pool, the auditorium, the junior and the higher secondary hostels, NCC rooms, the MRF pace foundation bear ample testimony to his untiring efforts to build the school to excellence. It was during his tenure that, the higher secondary course was introduced.He paved the way for the starting of Britannia Amirtharaj Tennis school in the school premises.