After 21 years of service in the field of education, the Board of Trustees applied for university status to the Department of Public Instruction. Thus the school became known as National University on June 17, 1921. The university installed, on that same day, Senator Camilo Osías, a Filipino educator, as the first President of the university. The Colleges of Education and Commerce were opened in the same year. During the following years, the Colleges of Pharmacy and Dentistry were opened in 1922. The College of Engineering, initially offering Civil Engineering opened in 1925, and the Normal School in 1930. Sanitary Engineering was offered in 1930. Bachelor's degrees in Chemical, Electrical, Industrial, Mechanical Engineering and Architecture and Arts were opened. Master in Sanitary Engineering was also organized. Computer Science was opened in 1990, Marine Engineering, Computer Engineering and Electronics and Communications Engineering in 1994. College of Nursing was offered in 2004, Hotel and Restaurant Management in 2008 and Information Technology in 2009.