<P> Science high schools are special schools for the more intellectually promising students, with the objective of fostering the problem - solving approach of critical thinking . They are separate high schools and not merely special classes in regular secondary schools . As such, they have certain characteristics not found in regular high schools, although any private or public high school can aspire to meet these special minimum standards and be considered as science high schools . </P> <P> The Philippine Science High School System is a specialized public system that operates as an attached agency of the Philippine Department of Science and Technology . There are a total of nine regional campuses, with the main campus located in Quezon City . Students are admitted on a selective basis, based on the results of the PSHS System National Competitive Examination . </P> <P> As well as following the general secondary curriculum, there are advanced classes in science and mathematics . The PSHSS system offers an integrated junior high and senior high six - year curriculum . </P> <P> Students who successfully completed a minimum of four years of secondary education under the pre-2011 system were awarded a Diploma (Katibayan) and, in addition, the secondary school Certificate of Graduation (Katunayan) from the Department of Education . Students are also awarded a Permanent Record, or Form 137 - A, listing all classes taken and grades earned . Under the new K - 12 system, the permanent record will be issued after the completion of senior high school . </P>

When did k 12 started in the philippines