Section 4. The Philippine Science High School shall have the general powers set out in Section thirteen of Act Numbered Fourteen hundred and fifty-nine, as amended, and the exercise of its corporate powers is hereby vested exclusively in the Board of Trustees and in the Director of the High School insofar as authorized by said Board. The Board of Trustees shall be composed of the Chairman of the National Science Development Board, who shall be ex officio Chairman of the Board, the Secretary of Education, who shall be ex officio Vice-Chairman, and the following members: the President of the University of the Philippines, the Chairman of the UNESCO National Commission of the Philippines, the President of the Science Foundation of the Philippines, the Director of the Philippine Science High School, all as ex officio members, a representative from the American-Philippine Science Foundation, Inc., to be designated by its President, two representatives from scientific and technological associations or societies, one member representing industry, and one member representing agriculture. All the members who are not receiving regular compensation from the government shall receive a per diem of fifty pesos each per session of the Board.

The members of the Board representing scientific and technological associations or societies, industry, and agriculture shall be appointed by the President of the Philippines upon recommendation of the Chairman of the Board of Trustees. Two of them shall serve for six years, one for four years, and one for two years.

The Vice-Chairman of the National Science Development Board and the Undersecretary of Education shall, in the absence of the heads of their respective agencies, act as ex officio Chairman and ex officio Vice-Chairman of the Board of Trustees, respectively.