Initially there were 1,700 students enrolled. The College offered Basic Education and three collegiate courses - Liberal Arts, Commerce, and Teacher Education. That same year, the first Board of Trustees, headed by the Rev. Wayland S. Mandell, was convened, and the first College President, Dr. Arthur L. Carson, was installed. By 1965, the Joint Council of the Church led by Bishop Ogilby of the Philippine Episcopal Church and Bishop Isabelo de los Reyes of the Iglesia Filipina Independiente approved the transfer of the collegiate courses to the college's present location, the Cathedral Heights compound. The Arts and Science Building was the sole structure for all the colleges, until St. Luke's Hospital School of Nursing merged with TCQC to form a five-year collegiate course in nursing. St. Luke's Nurse's Home became part of the college's expansion, where it provided space for teaching. A medical technology course was later affiliated with Trinity College, and the Graduate School followed in 1985.