Schools are the professional education units of the Ateneo de Manila University, and consists of four schools. The Graduate School of Business, which confers the Master of Business Administration (MBA) and Master in Entrepreneurship degrees, and the School of Law, which confers the Juris Doctor (JD) and Master of Laws (LL.M.) degrees, are both located in the Rockwell Center campus in Makati. The School of Medicine and Public Health, which offers an integrated Doctor of Medicine (M.D.) - MBA program, is located in the Ortigas campus in Pasig. The School of Government, which confers the Master in Public Management and Ph.D. in Leadership Studies degrees, is located in the Loyola Heights campus in Quezon City. Basic education Grade school The Ateneo de Manila Grade School (AGS) is the elementary education unit of the Ateneo de Manila University, and is the oldest unit in existence - Ateneo de Manila began as a government-run primary school during the Spanish colonial period. It is an all-boys school with a population of around 4,000 students. The school had implemented the K-12 program since the 2013–14 academic year. The Ateneo de Manila Grade School is one of the first elementary schools in the Philippines to adopt the Singapore math curriculum. Junior high school The Ateneo de Manila Junior High School (AJHS) is the middle school unit of the Ateneo de Manila University, offering the seventh to tenth grades for male students. It was established in 2013 to comply with the Philippines' K-12 education system. It currently occupies the old Ateneo de Manila High School campus. Senior high school The Ateneo de Manila Senior High School (ASHS) is the senior high school unit of the Ateneo de Manila University, offering the eleventh and twelfth grades since 2013 following the restructuring of the university's high school units in adherence with the national K-12 program. Since the 2016–17 academic year, the ASHS has accepted female students. The ASHS offers all four academic strands of the K-12 program (Accountancy and Business Management; Humanities and Social Sciences; Science and Technology, Engineering, and Mathematics; and the General Academic). The ASHS currently occupies the new senior high school building topped off in 2016. Loyola School of Theology The Loyola School of Theology is a Jesuit school of theology and pastoral studies, run separately from but federated with the Ateneo de Manila University. It is located in the portion of the university's Loyola