Main Article: Philippine Science High School System The first Philippine Science High School was established in Diliman, Quezon City under Republic Act No. 3661, known as the PSHS Charter which was signed into law in 1964 by President Diosdado Macapagal. This charter mandates the PSHS to a secondary course with emphasis on subjects pertaining to service offered on a free scholarship basis with the end in view of preparing its students for a science career. The school opened on 5 September 1964 at a rented building owned by the Philippine Government Employees Association along Elliptical Road, Diliman, Quezon City. It was only in 1970 that the school moved to its present campus along Agham Road, Diliman, Quezon City. In 1997, the PSHS System Law (R.A. 8496) was signed by President Fidel V.