The innovation introduced to seminary studies proved a success. The number of students increased year after year. The average enrolment from 1875 to 1891 was of some 150 interns and three hundred externs. Statistics found in the book "Exposicion General de las Islas Filipinas in Madrid, 1887-Memoria" show a total enrolment of 5,344 for the year 1875-1885. So, it became imperative the building. When the good Bishop Cuartero died in 1884, Fr. Juan Miralda was appointed the rector and he undertook the new construction. It consisted of adding 46 meters to the already 52-meter-long right wing of the building. The actual building thus looked then like a letter "P." The expenses of this work added to those of 1874 made a total sum of some PhP 250,000.00.